Rik Crutzen Professor of Behaviour Change & Technology Department of Health Promotion Maastricht University/CAPHRI The Netherlands rik (dot) crutzen (at) maastrichtuniversity (dot) nl

Non-academic work is available elsewhere

Preprints

Bruinsma, J. & Crutzen, R. (2023, September 21). Digital interventions for public health: a systematic planning approach.

Bwirire, D., Roosen, I., De Vries, N., Letschert, R., Ntabe Namegabe, E., & Crutzen, R. (2023, August 25). Maternal health care services utilization in the post-conflict Democratic Republic of Congo: analysis of health inequalities over time.

Crutzen, R. (2022, July 19). Ethical considerations in health psychology.

Crutzen. R. & Peters, G.-J.Y. (2021, May 21). The regression trap: why regression analyses are not suitable for selecting determinants to target in behavior change interventions.

Janssen, E., Philippens, N., Kremers, S., & Crutzen, R. (2023, March 9). The combined lifestyle intervention CooL in times of COVID-19: a descriptive case series study.

Metz, G., Thielmann, R.R.L.C., Roosjen, H., & Crutzen, R. (2022, October 28). A mixed-methods approach to evaluate engagement and potential impact of web-based interventions.

Peters, G.-J.Y. & Crutzen, R. (2022, November 22). Knowing what we’re talking about: facilitating decentralized, unequivocal publication of and reference to psychological construct definitions and instructions.

Peters, G.-J.Y., Kwasnicka, D., Crutzen, R., Ten Hoor, G.A., Varol, T., ... Roozen, S. (2021, June 29). The Your COVID-19 Risk assessment tool and the accompanying open access data and materials repositories.

Philippens, N., Janssen, E., Kremers, S., & Crutzen, R. (2023, June 26). Keep it CooL! Results of a two-year CooL-intervention: a descriptive case series study.

Thielmann, R.R.L.C., Hoving, C., Cals, J.W.L., & Crutzen, R. (2023, July 26). Patient online access to medical records in general practice: perceived effects after one year follow-up.

Thielmann, R.R.L.C., Hoving, C., Cals, J.W.L., & Crutzen, R. (2022, July 26). Relevant determinants of patients’ informed decision-making process and use of online access to their medical records in general practice.

Publications in international journals

In press

Baron, R., Hamdiui, N., Helms, Y.B., Crutzen, R., Götz, H.M., & Stein, M.L. (in press). Digital contact tracing support tools for citizens: a framework for evaluating their added value to contact tracing. JMIR Research Protocols. Preprint available at JMIR Preprints.

Bruinsma, J., Heger, I., Loukas, V., Kassiotis, T., Karanasiou, G., Fotiadis, D. I., Hanke, S., & Crutzen, R. (in press). Public perspectives on lifestyle-related behavior change for dementia risk reduction: an exploratory qualitative study in the Netherlands. Journal of Alzheimer’s Disease. Preprint available at OSF Preprints.

Elling, J. M., De Vries, H., Candel, M.J.J.M., & Crutzen, R. (in press). Contextual factors associated with temptations and lapses among smokers trying to quit: an ecological momentary assessment study. Zeitschrift für Psychologie.

Zimbile, F., Beek, T.F., David, S., & Crutzen, R. (in press). An implementation pilot of online self-training programs on sexual dysfunctions: a mixed method study in the Dutch public sexual health setting. JMIR Formative Research. Preprint available at JMIR Preprints.

E-pub ahead of print

Berninger, N.M., Crutzen, R., Ruiter, R.A.C., Kok, G., Plasqui, G., & Ten Hoor, G.A. (e-pub ahead of print). Moderators of the effectiveness of UPcomplish on office workers’ sedentary behaviour, quality of life, and psychosocial determinants: a stepped wedge design. International Journal of Behavioral Medicine.

Kader, Z., Crutzen, R., & Roman, N.V. (e-pub ahead of print). Adolescent hookah pipe use: exploring the role of basic psychological needs and motivation. Journal of Humanistic Psychology.

Stutterheim, S.E., Van der Kooij, Y., Crutzen, R., Ruiter, R.A.C., Bos, A.E.R., & Kok, G. (e-pub ahead of print). Intervention Mapping as a guide to developing, implementing, and evaluating stigma reduction interventions. Stigma and Health.

Thielmann, R.R.L.C., Hoving, C., Schutgens-Kok, E., Cals, J.W.L., & Crutzen, R. (e-pub ahead of print). Patient online access to general practice medical records: a qualitative study on patients’ needs and expectations. Health Information Management Journal.

2023

Crutzen, R. & Peters, G.-J.Y. (2023). A lean method for selecting determinants when developing behavior change interventions. Health Psychology and Behavioral Medicine, 11, 2167719.

Elling, J.M., Crutzen, R., Talhout, R., & De Vries, H. (2023). Effects of providing tailored information about e-cigarettes in a digital smoking cessation intervention: randomized controlled trial. Health Education Research, 38, 150–162.

Elsheikh, I.E., Crutzen, R., Adam, I., Abdelraheem, S.I., & Van den Borne, H.W. (2023). Increasing Prevention of Mother to Child Transmission (PMTCT) uptake through facility-based health promotion: intervention development. Behavioral Sciences, 13, 317.

Idris, A.M., Crutzen, R., Van den Borne, H.W. (2023). HIV testing and counseling services in Kassala state, Sudan: what are the relevant beliefs of private health care providers? AIDS Care, 35, 316–323.

Jafer, M., Moafa, I., Crutzen, R., & Van den Borne, B. (2023). Using Intervention Mapping to develop ISAC, a comprehensive intervention for early detection and prevention of oral cancer in Saudi Arabia. Journal of Cancer Education, 38, 505–512.

Jonas, K., Beattie, D., Crutzen, R., & Mathews, C. (2023). Who is exposed to HIV prevention interventions? An assessment of associated factors among adolescent girls and young women in South Africa. AIDS and Behavior, 27, 2997–3011.

Kruisbrink, M., Zijlstra, R., Crutzen, R., Dorresteijn, T.A.C., Winkens, B., & Kempen, G.I.J.M. (2023). Participant characteristics as moderators of the effects of cognitive behavioral interventions on concerns about falling: secondary analyses of two randomized controlled trials. Journal of Applied Gerontology, 42, 1877-1887.

Metz, G., Roosjen, H., Zweers, W., & Crutzen, R. (2023). Evaluating use of web-based interventions: an example of a Dutch sexual health intervention. Health Promotion International, 38, daab190.

Minango, C.A., Crutzen, R., Van den Borne, H.W., & Kaaya, S.F. (2023). Translation and cross-cultural adaptation of the Children's Exposure to Domestic Violence. Children and Youth Services Review, 148, 106913.

Newby, K. Kwah, K., Schumacher, L., Crutzen, R., Bailey, J.V., Jackson, L.K., Bremner, S., & Brown, K. (2023). An intervention to increase condom use among users of STI self-sampling websites (Wrapped): protocol for a randomized controlled feasibility trial. JMIR Research Protocols, 12, e43645.

Severijns, Y., De Vries, H., Tan-Sindhunata, G., Stuurman, K., Ottenheim, C., Lichtenbelt, K., Van Kuijk, S., Joosten, S., Houwink, I., Crutzen, R., Corsten-Janssen, N., Bijlsma, E., De Die-Smulders, C., & Van Osch, L. (2023). The effectiveness of an online decision aid on reproductive options for couples at risk of transmitting genetic disease to their offspring: protocol for a randomized controlled trial. Health Psychology Bulletin, 7, 17-26.

Sewpaul, R., Resnicow, K., Crutzen, R., Dukhi, N., Ellahebokus, A., & Reddy, S.P. (2023). A tailored mHealth intervention for improving antenatal care seeking and health behavioural determinants during pregnancy among adolescents and young women in South Africa: development and protocol for a pilot randomized controlled trial. JMIR Research Protocols, 12, e43654.

Short, C.E., Crutzen, R., Stewart, E.M, O’Rielly, J., Dry, M., Skuse, A., Quester, P., Rebar, A.L., Vandelanotte, C., Duncan, M.J., & Vincent, A. (2023). Exploring the interplay between message format, need for cognition and personal relevance on processing messages about physical activity: a two-arm randomised experimental trial. International Journal of Behavioral Medicine, 30, 320–333 .

Thielmann, R.R.L.C., Hoving, C., Cals, J.W.L., & Crutzen, R. (2023). The effects of online access to general practice medical records perceived by patients: longitudinal survey study. Journal of Medical Internet Research, 25, e47659.

Van der Meer, A., Helms, Y.B., Baron, R., Crutzen, R., Timen, A., Kretzschmar, M.E.E., Stein, M.L., & Hamdiui, N. (2023). Citizen involvement in COVID-19 contact tracing with digital tools: a qualitative study to explore citizens’ perspectives and needs. BMC Public Health, 23, 1804.

Vonken, L., Hussein, H., Crutzen, R., & Vluggen, S. (2023). Perceptions of Dutch general practitioners towards ehealth for patients with type-2 diabetes: a qualitative study. Family Practice, 40, 91–97.

Zörgő, S., Peters, G.-J.Y., Jeney, A., Williamson Shaffer, D., Ruis, A., & Crutzen, R. (2023). A feasibility study for a unified, multimodal analysis of online information foraging in health-related topics. Open Research Europe, 3, 98.

2022

Berninger, N.M., Plasqui, G., Crutzen, R., Ruiter, R.A.C., Kok, G., & Ten Hoor, G.A. (2022). The effects of UPcomplish on office workers’ sedentary behaviour, quality of life, and psychosocial determinants: a stepped-wedge design. International Journal of Behavioral Medicine, 29, 728–742.

Boumans, J., Van de Mheen, D., Crutzen, R., Dupont, H., Bovens, R., & Rozema, A. (2022). Understanding how and why alcohol interventions prevent and reduce problematic alcohol consumption among older adults: a systematic review. International Journal of Environmental Research and Public Health, 19, 3188.

Bwirire, D., Crutzen, R., Namegabe, E.N., Letschert, R., & De Vries, N. (2022). Health inequalities in post-conflict settings: a systematic review. PLOS ONE, 17, e0265038.

Elsheikh, I.E., Crutzen, R., Adam, I., Abdelraheem, S.I., & Van den Borne, H.W. (2022). Determinants of HIV testing during pregnancy among pregnant Sudanese women: a cross-sectional study. Behavioral Sciences, 12, 150.

Goense, C.J.D., Evers, Y.J., Hoebe, C.J.P.A., Crutzen, R. & Dukers-Muijrers, N.H.T.M. (2022). Intention to use and acceptability of home-based sexual health care among men who have sex with men who previously attended clinic-based sexual health care. Frontiers in Reproductive Health, 4, 967770.

Gültzow, T., Smit, E.S., Crutzen, R., Jolani, S., Hoving, C., & Dirksen, C.D. (2022). Effects of an explicit value clarification method with computer-tailored advice on the effectiveness of a web-based smoking cessation decision aid: findings from a randomized controlled trial.Journal of Medical Internet Research, 24 e34246.

Gutenberg, J., Kulnik, S. T., Niebauer, J., & Crutzen, R. (2022). Determinants of physical activity in the cardiac population: protocol for a systematic review. JMIR Research Protocols, 11, e39188.

Hamdiui, N., Bouman, M.P.A., Stein, M.L., Crutzen, R., Keskin, D., Afrian, A., Van Steenbergen, J.E., Van den Muijsenbergh, M.E.T.C., & Timen, A. (2022).The development of a culturally sensitive educational video: how to facilitate informed decisions on cervical cancer screening among Turkish- and Moroccan-Dutch women. Health Expectations, 25, 2377-2385.

Hamdiui, N., Marchena, E., Stein, M.L., Van Steenbergen, J.E., Crutzen, R., Van Keulen, H.M., Reis, R., Van den Muijsenbergh, M.E.T.C., & Timen, A. (2022). Decision-making, barriers, and facilitators regarding cervical cancer screening participation among Turkish and Moroccan women in the Netherlands: a focus group study. Ethnicity & Health, 27, 1147-1165.

Hamdiui, N., Stein, M., Van Steenbergen, J., Crutzen, R., Bouman, M., Khan, A., Çetin, M., Timen, A., & Van den Muijsenbergh, M. (2022). Evaluation of a web-based culturally sensitive educational video to facilitate informed cervical cancer screening decisions among Turkish- and Moroccan-Dutch women aged 30 to 60 years: randomized intervention study. Journal of Medical Internet Research, 24, e35962.

Helms, Y.B, Stein, M.L., Hamdiui, N., Van der Meer, A., Baron, R., Eilers, R., Crutzen, R., Kretzschmar, M.E.E., & Timen, A. (2022). Dutch public health professionals’ perspectives and needs regarding citizen involvement in COVID-19 contact tracing through digital support tools: an exploratory qualitative study. BMC Health Services Research, 22, 1378.

Hussein, R., Wurhofer, D., Strumegger, E.-M., Stainer-Hochgatterer, A., Kulnik, S.T., Crutzen, R. & Niebauer, J. (2022). General Data Protection Regulation (GDPR) toolkit for digital health. Studies in Health Technology and Informatics, 290, 222-226.

Idris, A.M., Crutzen, R., Van den Borne, H.W. (2022). Psychosocial beliefs of health providers’ intention and behavior of offering HIV testing and counseling services: estimating their relevance for intervention. Frontiers in Public Health, 10, 796035.

Jafer, M., Crutzen, R., Halboub, E., Moafa, I., Van den Borne, B., Bajonaid, A., Jafer, A., & Hedad, I. (2022). Dentists behavioral factors influencing early detection of oral cancer: direct clinical observational study. Journal of Cancer Education, 37, 932-941.

Kader. Z., Crutzen, R., & Roman, N.V. (2022). Adolescent hookah pipe use: comparing users’ and non-users’ harm perception, needs and motivation. Journal of Psychology in Africa, 32, 174-179.

Kruisbrink, M., Crutzen, R., Kempen, G.I.J.M., Delbaere, K., Ambergen, T., Cheung, K.-L., Kendrick, D., Iliffe, S., & Zijlstra, G.A.R. (2022). Disentangling interventions to reduce fear of falling in community-dwelling older people: a systematic review and meta-analysis of intervention components. Disability and Rehabilitation, 44, 6247-6257.

Kwasnicka, D., Keller, J., Perski, O., Potthoff, S., Ten Hoor, G.A., Ainsworth, B., Crutzen, R., ... Sanderman, R. (e-pub ahead of print). White Paper: Open Digital Health – accelerating transparent and scalable health promotion and treatment. Health Psychology Review, 16, 475-491.

Metz, G., Peters, G.-J.Y., & Crutzen, R. (2022). Acyclic Behavior Change Diagrams: a tool to report and analyze interventions. Health Psychology and Behavioral Medicine, 10, 1216-1228.

Mkhitaryan, S., Giabbanelli, P., Wozniak, M.K., Napoles, G., De Vries, N., & Crutzen, R. (2022). FCMpy: a Python module for constructing and analyzing fuzzy cognitive maps. PeerJ Computer Science, 8, e1078.

Moafa, I., Crutzen, R., Van den Borne, B., Jafer, M., Shabi, M., Al-khaldi, A., Abu-Zawah, A., Al-jabri, H., & Hedad, I. (2022). Towards a better understanding of the psychosocial determinants associated with adults’ use of smokeless tobacco in the Jazan region of Saudi Arabia: a qualitative study. BMC Public Health, 22, 732.

Philippens, N., Janssen, E., Kremers, S., & Crutzen, R. (2022). Determinants of natural adult sleep: An umbrella review. PLOS ONE, 17, e0277323.

Sewpaul, R., Crutzen, R., & Reddy, P. (2022). Psychosocial determinants of the intention and self-efficacy to attend antenatal appointments among pregnant adolescents and young women in Cape Town, South Africa: a cross-sectional study. BMC Public Health, 22, 1809.

Short, C.E., Smit, E.S., & Crutzen, R. (2022). Measuring psychological constructs in computer-tailored interventions: novel possibilities to reduce participant burden and increase engagement. The European Health Psychologist, 22, 801-815.

Steijvers, L.C.J., Brinkhues, S., Van Tilburg, T.G., Hoebe, C.J.P.A., Stijnen, M.M.N., De Vries, N., Crutzen, R., & Dukers-Muijers, N.H.T.M. (2022). Changes in structure and function of social networks of independently living middle-aged and older adults in diverse sociodemographic subgroups during the COVID-19 pandemic: a longitudinal study. BMC Public Health, 22, 2253.

Thoonen, K., Van Osch, L.A.D.M., Crutzen, R., De Vries, H., & Schneider, F. (2022). Identification of relevant sociocognitive determinants explaining multiple parental sun protection behaviors. Health Education & Behavior, 49, 392-404.

Yeung, A.W.K., Kulnik, S.T., Parvanov, E.D., Fassl, A., Eibensteiner, F., Völkl-Kernstock, S., Kletecka-Pulker, M., Crutzen, R., Gutenberg, J., Höppchen, I., Niebauer, J., Smeddinck, J.D., Willschke, H., & Atanasov, A.G. (2022). Digital technology cardiology applications: analysis of the scientific literature. Journal of Medical Internet Research, 24, e36086.

Zimbile, F., David, S., Daemen, M., Goossens, A., Creemers, J., & Crutzen, R. (2022). Introducing video consultations at public sexual health clinics in the Netherlands: a mixed-methods study. Health Promotion International, 37, daac135.

2021

Asa, G.A., Fauk, N.K., Ward, P.R., Hawke, K., Crutzen, R., & Mwanri, L. (2021). Psychological, sociocultural and economic coping strategies of mothers or female caregivers of children with a disability in Belu District, Indonesia. PLOS ONE, 16, e0251274.

Berninger, N., Ten Hoor, G.A., Plasqui, G., & Crutzen, R. (2021). Sequential activity Patterns and Outcome-specific, Real-time and Target group-specific feedback: the SPORT algorithm. Journal for the Measurement of Physical Behaviour, 4, 126–136.

Crutzen, R. (2021). And justice for all? There is more to interoperability of contact tracing apps than legal barriers. JMIR mHealth and uHealth, 9, e26218.

Crutzen, R. (2021). Hardwired... to self-destruct? Using technology to improve behavior change science. Health Psychology Bulletin, 5, 70-80.

Crutzen, R., Noijen, J., & Peters, G.-J. Y. (2021). Promoting ear plugs at music events: evaluation of the Celebrate Safe approach. International Journal of Audiology, 60, 359-364.

Eibensteiner, F., Ritschl, V., Nawaz, F.A., Fazel, S., Tsagkaris, C., Kulnik, S.T., Crutzen, R., Klager, E., Völkl-Kernstock, S., Schaden, E., Kletecka-Pulker, M., Willschke, H., & Atanasov, A.G. (2021). People's willingness to vaccinate against COVID-19 despite their safety concerns: Twitter poll analysis. Journal of Medical Internet Research, 23, e28973.

Elling, J.M., Crutzen, R., Talhout, R., & De Vries, H. (2021). Effects of providing tailored information about e-cigarettes in a web-based smoking cessation intervention: protocol for a randomized controlled trial. JMIR Research Protocols, 10, e27088.

Fakih El Khoury, C., Crutzen, R., Schols, J.M.G.A., Halfens, R.J.G. & Karavetian, M. (2021). Adequate management of phosphorus in patients undergoing hemodialysis using a dietary smartphone app: a prospective pilot study. JMIR Formative Research, 5, e17858.

Hussein, R., Crutzen, R., Gutenberg, J., Kulnik, S.T., Sareban, M., & Niebauer, J. (2021). Patient-Generated Health Data (PGHD) interoperability: an integrative perspective. Studies in Health Technology and Informatics, 281, 228-232.

Idris, A.M., Crutzen, R., & Van den Borne, H.W. (2021). Psychosocial beliefs related to intention to use HIV testing and counselling services among suspected tuberculosis patients in Kassala State, Sudan. BMC Public Health, 21, 75.

Idris, A.M., Crutzen, R., & Van den Borne, H.W. (2021). Social-cognitive determinants of HIV-testing among Tuberculosis infected patients in Kassala State, Sudan. Frontiers in Public Health, 9, 521511.

Jafer, M., Crutzen, R., Ibrahim, A., Moafa, I., Zaylaee, H., Ajeely, M., Van den Borne, B., Zanza, A., Testarelli, L. & Patil, S. (2021). Using the exploratory sequential mixed methods design to investigate dental patients’ perceptions and needs concerning oral cancer information, examination, prevention and behavior. International Journal of Environmental Research and Public Health, 18, 7562.

Jafer, M., Crutzen, R., Moafa, I., & Van den Borne, B. (2021). What do dentists and dental-students think of oral cancer and its control and prevention strategies? A qualitative study in Jazan dental school. Journal of Cancer Education, 36, 134-142.

Kruisbrink, M., Crutzen, R., Kempen, G.I.J.M., & Zijlstra, G.A.R. (2021). Assessing avoidance behavior due to concerns about falling: psychometric properties of the FES-IAB in a sample of older adults of an online panel. Archives of Gerontology and Geriatrics, 97, 104469.

Kruisbrink, M., Delbaere, K., Kempen, G.I.J.M., Crutzen, R., Ambergen, T., Cheung, K-L., Kendrick, D., Iliffe, S., & Zijlstra, G.A.R. (2021). Intervention characteristics associated with a reduction in fear of falling among community-dwelling older people: a systematic review and meta-analysis of RCTs. The Gerontologist, 61, e269-e282.

Lugones-Sanchez, C., Crutzen, R., Recio-Rodriguez, J.I., & Garcia-Ortiz, L. (2021). Establishing the relevance of psychological determinants regarding physical activity in people with overweight and obesity. International Journal of Clinical and Health Psychology, 21, 100250.

Peters, G.-J.Y. & Crutzen, R. (2021). Knowing how effective an intervention, treatment, or manipulation is and increasing replication rates: accuracy in parameter estimation as a partial solution to the replication crisis. Psychology & Health, 36, 59-77.

Philippens, N., Janssen, E., Verjans-Janssen, S., Kremers, S., & Crutzen, R. (2021). HealthyLIFE, a combined lifestyle intervention for overweight and obese adults: a descriptive case series study. International Journal of Environmental Research and Public Health, 18, 11861.

Sewpaul, R., Crutzen, R., Dukhi, N., Sekgala, D., & Reddy, P. (2021). A mixed reception: perceptions of pregnant adolescents’ experiences with health care workers in Cape Town, South Africa. Reproductive Health, 18, 167.

Steenaart, E., Crutzen, R., & De Vries, N.K. (2021). Beyond the ticked box: organ donation decision-making under different registration systems. Psychology & Health, 36, 511-528. [Editor's Choice Paper]

Varol, T., Crutzen, R., Schneider, F., Mesters, I., Ruiter, R.A.C., Kok G., & Ten Hoor, G. (2021). Selection of determinants of students' adherence to COVID-19 guidelines and translation into a brief intervention. Acta Psychologica, 219, 103400.

Varol, T., Schneider, F., Mesters, I., Crutzen, R., Ruiter, R.A.C., Kok, G., & Ten Hoor, G. (2021). University students' adherence to the COVID-19-guidelines: a qualitative study on facilitators and barriers. Health Psychology Bulletin, 5, 114–123.

Yeung, A.W.K., Tosevska. A., Klager, E., Eibensteiner, F., Laxar, D., Stoyanov, J., Glisic, M., Zeiner, S., Kulnink, S.T., Crutzen, R., Kimberger, O., Kletecka-Pulker, M., Atanasov, A.G., & Willschke, H. (2021). Virtual and augmented reality applications in medicine: analysis of the scientific literature. Journal of Medical Internet Research, 23, e25499.

Zango, A.B., Crutzen, R., & De Vries, N. (2021). Evaluation of a sexual transmitted infection prevention program among university students in Beira city Central Mozambique: a study protocol. Frontiers in Reproductive Health, 3, 745309.

2020

Berninger, N., Knell, G., Gabriel, K.P., Plasqui, G., Crutzen, R., Ten Hoor, G. (2020). Bidirectional day-to-day associations of reported sleep duration with accelerometer measured physical activity and sedentary time among Dutch adolescents: an observational study. Journal for the Measurement of Physical Behaviour, 3, 304-314.

Elling, J.M., Crutzen, R., Talhout, R., & De Vries, H. (2020). Tobacco smoking and smoking cessation in times of COVID-19. Tobacco Prevention & Cessation, 6, 39.

Evers, Y.J., Dupont, H.B., Crutzen, R., & Heuperman, P. (2020). Using the Confidence Interval-Based Estimation of Relevance approach to identify determinants of cannabis use among high school students in the Netherlands. Health Psychology Bulletin, 4, 10-17.

Fakih El Khoury, C., Crutzen, R., Schols, J.M.G.A., Halfens, R.J.G., & Karavetian, M. (2020). A dietary mobile app for patients undergoing hemodialysis: prospective pilot study to improve dietary intakes. Journal of Medical Internet Research, 22, e17817.

Gutenberg, J., Kulnik, S.T., Hussein, R., Stütz, T., Niebauer, J., & Crutzen, R. (2020). Physical activity in cardiac rehabilitation: towards citizen-centered digital evidence-based interventions. Studies in Health Technology and Informatics, 275, 228-229.

Kader, Z., Crutzen, R., & Roman, N. (2020). Intervention to reduce adolescent hookah pipe use and satisfy basic psychological needs. Cogent Psychology, 7, 1782099.

Kader, Z., Roman, N.V., & Crutzen., R. (2020). Determinants of adolescent hookah pipe use: a systematic review. Journal of Child & Adolescent Substance Abuse, 28, 474-493.

Mkhitaryan, S., Giabbanelli, P., De Vries, N.K., & Crutzen, R. (2020). Dealing with complexity: how to use a hybrid approach to incorporate complexity in health behavior interventions. Intelligence-Based Medicine, 3-4, 100008.

Muschalik, C., Crutzen, R., Candel, M.J.J.M., Elfeddali, I., & De Vries, H. (2020). Implicit attitudes and explicit cognitions jointly predict reduced red meat intake: a three-wave longitudinal study. Health Psychology and Behavioral Medicine, 8, 73-95.

Muschalik, C., Crutzen, R., Elfeddali, I., & De Vries, H. (2020). Mindfulness is not associated with dissonant attitudes but enhances the ability to cope with them. BMC Psychology, 8, 32.

Nalukwago, J., Alaii, J., Van den Borne, B., Bukuluki, P.M., Kimbowa, M., Bockh, E., Coutinho, S.M., & Crutzen, R. (2020). A process evaluation of the Communication for Healthy Communities adolescent health program in Uganda. Health Education Research, 35, 15-31.

Ruiter, R.A.C. & Crutzen, R. (2020). Core processes: how to use evidence, theories and research in planning behavior change interventions. Frontiers in Public Health, 8, 247.

Steenaart, E., Crutzen, R., & De Vries, N.K. (2020). Implementation of an interactive organ donation education program for Dutch lower-educated students: a process evaluation. BMC Public Health, 20, 739.

2019

Crutzen, R., Peters, G.-J.Y., & Mondschein, C. (2019). Why and how we should care about the General Data Protection Regulation. Psychology & Health, 34, 1347-1357.

Fakih El Khoury, C., Karavetian, M., Halfens, R.J.G., Crutzen, R., Dayana, E.C., & Schols, J.M.G.A. (2019). Dietary application for the management of patients with hemodialysis: a formative development study. Healthcare Informatics Research, 25, 262-273.

Fakih El Khoury, C., Karavetian, M., Halfens, R.J.G., Crutzen, R., Khoja, L., & Schols, J.M.G.A. (2019). The effects of dietary mobile apps on nutritional outcomes in adults with chronic diseases: a systematic review. Journal of the Academy of Nutrition and Dietetics, 119, 626-651.

Fauk, N.F., Merry, M.S., Putra, S., Sigilipoe, M.A., Crutzen, R., & Mwanri, R. (2019). Perceptions among transgender women of factors associated with the access to HIV/AIDS-related health services in Yogyakarta, Indonesia. PLOS ONE, 14, e0221013.

Jonas, K., Roman, N., Reddy, P., Krumeich, A., Van den Borne, B., & Crutzen, R. (2019). Nurses' perceptions of adolescents accessing and utilizing sexual and reproductive healthcare services in Cape Town, South Africa. International Journal of Nursing Studies, 97, 84-93.

Kader, Z., Roman, N., & Crutzen, R. (2019). Systematic review of interventions aimed at reducing hookah pipe use: implications for practitioners and clinicians. South African Medical Journal, 109, 392-406.

Kotz, D., Viechtbauer, W., Spigt, M., & Crutzen, R. (2019). Details about informed consent procedures of randomised controlled trials should be reported transparently. Journal of Clinical Epidemiology, 109, 133-135.
+ Response to commentary: Submitting the original participant information letter as supplementary material of a trial report is useful and can be easily implemented.

Lima Passos, V., Crutzen, R., Feder, J.T., Willemsen, M.C., Lemmens, P., & Hummel, K. (2019). Dynamic, data-driven typologies of long-term smoking, cessation and their correlates: findings from the International Tobacco Control (ITC) Netherlands Survey. Social Science & Medicine, 235, 112393.

Mkhitaryan, S., Crutzen, R., Steenaart, E., & De Vries, N.K. (2019). Network approach in health behavior research: how can we explore new questions? Health Psychology and Behavioral Medicine, 7, 362-384.

Muschalik, C., Elfeddali, I., Candel, M.J.J.M., Crutzen, R., & De Vries, H. (2019). Does the discrepancy between implicit and explicit attitudes moderate the relationships between explicit attitude and (intention to) being physically active? BMC Psychology, 7, 51.

Nakken, N., Spruit, M.A., Van den Bogaart, E.H.A., Crutzen, R., Muris, J.W.M., Wouters, E.F.M., & Janssen, D.J.A. (2019). Identifying causes of perceptual differences in problematic activities of daily life between patients with COPD and proxies: a qualitative study. Australian Occupational Therapy Journal, 66, 44-51.

Nalukwago, J., Crutzen, R., Van den Borne, B., Bukuluki, P., Bufumbo, L., Burke, H.M., Field, S., Zikusooka, A., Fiedler, A., & Alaii, J. (2019). Gender norms associated with adolescent sexual behaviors in Uganda. International Social Science Journal, 69, 35-48.

Newby, K.N., Crutzen, R., Brown, K., Bailey, J., Saunders, J., Szczepura, A., Hunt, J., Alston, T., Sadiq, T., & Das, S. (2019). An intervention to increase condom use among users of chlamydia self-sampling websites (Wrapped): Intervention Mapping and think-aloud study. JMIR Formative Research, 3, e11242.

Peetoom, K., Crutzen, R., Dinant, G.-J., & Cals, J. (2019). Most preschool children with fever and common infection symptoms do not consult the family physician. Family Practice, 36, 371-373.

Peetoom, K.K.B., Crutzen, R., Verhoeven, R., Bohnen, J.M.H.A., Winkens, B., Dinant, G.J., & Cals, J.W.L. (2019). Optimising decision-making among childcare staff on fever and common infections: cluster randomised controlled trial. European Journal of Public Health, 29, 505-511.

Steenaart, E., Crutzen, R., Candel, M.J., & De Vries, N.K. (2019). The effectiveness of an interactive organ donation education intervention for Dutch lower-educated students: a cluster randomized trial. Trials, 20, 643.

2018

Bruinsma, J. & Crutzen, R. (2018). A longitudinal study on the stability of the need for cognition. Personality and Individual Differences, 127, 151-161.

Crutzen, R. & Peters, G.-J.Y. (2018). Evolutionary learning processes as the foundation for behaviour change. Health Psychology Review, 12, 43-57.

Fauk, N.K., Kustanti, C.Y., Liana, D.S., Indriyawati, N., Crutzen, R., & Mwanri, L. (2018). Perceptions of determinants of condom use behaviours among male clients of female sex workers in Indonesia: a qualitative inquiry. American Journal of Men's Health, 12, 666-675.

Jafer, M., Crutzen, R., Jafer, A., & Van den Borne, H.W. (2018). What do dental college clinicians know about oral cancer and its risk factors? An assessment among final year students, interns and faculty members in Saudi Arabia. Journal of Clinical and Experimental Dentistry, 10, 908-913.

Jonas, K., Crutzen, R., Krumeich, A., Roman, N. Van den Borne, B., & Reddy, P. (2018). Healthcare workers' beliefs, motivations and behaviours affecting adequate provision of sexual and reproductive healthcare services to adolescents in Cape Town, South Africa: a qualitative study. BMC Health Services Research, 18, 109.

Knittle, K., Nurmi, J., Crutzen, R., Hankonen, N., Beattie, M., & Dombrowski, S.U. (2018). How can interventions increase motivation for physical activity? A systematic review and meta-analysis. Health Psychology Review, 12, 211-230.

Nalukwago, J., Alaii, J., Van den Borne, B., Bukuluki, P.M., & Crutzen, R. (2018). Application of core processes for understanding multiple concurrent sexual partnerships among adolescents in Uganda. Frontiers in Public Health, 6, 371.

Nalukwago, J., Crutzen, R., Van den Borne, B., Bukuluki, P., Bufumbo, L., Batamwita, R., Zikusooka, A., Lenzi, R., Thompson, G., & Alaii, J. (2018). Adolescents discussing sexual behaviors with key influencing audiences. Global Journal of Health Science, 10, 91-106.

Nalukwago, J., Crutzen, R., Van den Borne, B., Bukuluki, P.M., Bufumbo, L., Burke, H.M., Field, S., Zikusooka, A., Fiedler, A.A., & Alaii, J. (2018). Socio-cognitive factors associated with condom use, multiple sexual partnerships, and contraception use among sexually-active adolescent girls in Uganda. Global Journal of Health Science, 10, 41-54.

Nikoloudakis, I.A., Crutzen, R., Vandelanotte, C., Quester, P., Dry, M., Skuse, A., Rebar, A.L., Duncan, M.J., & Short, C.E. (2018). Can you elaborate on that? Addressing participants’ need for cognition in computer-tailored health behavior interventions. Health Psychology Review, 12, 437-452.

Peters, G.-J.Y. & Crutzen, R. (2018). Establishing determinant importance using CIBER: an introduction and tutorial. The European Health Psychologist, 20, 484-494.

Prevo, L., Hajema, K., Linssen, E., Kremers, S., Crutzen, R., & Schneider, F. (2018). Population characteristics and needs of informal caregivers associated with the risk of perceiving a high burden: a cross-sectional study. Inquiry, 55, 1-13.

Prevo, L., Linssen, E., Hajema, K., Kremers, S., Crutzen, R., & Schneider, F. (2018). Exploring informal caregivers’ views on their perceived burden. Home Health Care Management & Practice, 30, 47-53.

Reinwand, D.A., Crutzen, R., & Zank, S. (2018). Online activities among elderly informal caregivers: results from a cross-sectional study. Digital Health, 4, 1-11.

Short, C.E., DeSmet, A., Woods, C., Williams, S.L., Maher, C., Middelweerd, A., Müller, A.M., Wark, P.A., Vandelanotte, C., Poppe, L., Hingle, M.D., & Crutzen, R. (2018). Measuring engagement in e- & mHealth behaviour change interventions: viewpoint of methodologies. Journal of Medical Internet Research, 20, e292.

Steenaart, E., Crutzen, R., Candel, M.J.J.M., & De Vries, N.K. (2018). A web-based education program to encourage organ donation registration among lower-educated adolescents in the Netherlands: a study protocol for a cluster randomized controlled trial. Trials, 19, 532.

Steenaart, E., Crutzen, R., & De Vries, N.K. (2018). The complexity of organ donation registration: determinants of registration behavior among lower-educated adolescents. Transplantation Proceedings, 50, 2911-2923.

Ten Hoor G.A., Rutten, G.M., Van Breukelen, G.J.P., Kok, G., Ruiter, R.A.C., Meijer, K., Kremers, S.P.J., Feron, F.J.M., Crutzen, R., Schols, A.M.J.W., & Plasqui, G. (2018). Strength exercises during physical education classes in secondary schools improve body composition: a cluster randomized controlled trial. International Journal of Behavioral Nutrition and Physical Activity, 15, 92.

2017

Antonise-Kamp, L., Beaujean, D.J.M.A., Crutzen, R., Van Steenbergen, J.E., & Ruwaard, D. (2017). Prevention of tick bites: an evaluation of a smartphone app. BMC Infectious Diseases, 17, 744.

Badri, A., Crutzen, R., & Van den Borne, H.W. (2017). Anxiety, depression and resilience among war-affected and non-war-affected Sudanese female university students: a comparative study. Archives of Depression and Anxiety, 3, 49-54.

Crutzen, R. & Peters, G.-J.Y. (2017). Scale quality: alpha is an inadequate estimate and factor-analytic evidence is needed first of all. Health Psychology Review, 11, 242-247.

Crutzen, R. & Peters, G.-J.Y. (2017). Targeting next generations to change the common practice of underpowered research. Frontiers in Psychology, 8, 1184.

Crutzen, R., Cyr, D., Taylor, S.E., Lim, E., & Ruiter, R.A.C. (2017). Self-reevaluation and anticipated regret did not change attitude, nor perceived distance in an online context. Frontiers in Psychology, 7, 2038.

Crutzen, R., Peters, G.-J.Y., & Noijen, J. (2017). Using Confidence Interval-Based Estimation of Relevance to select social-cognitive determinants for behaviour change interventions. Frontiers in Public Health, 5, 165.

Fauk, N.K., Crutzen, R., Merry, M.S., Putra, S., Sigilipoe, M.A., Mwanri, L. (2017). Exploring determinants of unprotected sexual behaviours favouring HIV transmission among Men who Have sex with Men in Yogyakarta, Indonesia. Global Journal of Health Science, 9, 47-56.

Giabbanelli, P.J. & Crutzen, R. (2017). Using agent-based models to develop public policy about food behaviours: future directions and recommendations. Computational and Mathematical Methods in Medicine, 2017, 5742629.

Jonas, K., Crutzen, R., Van den Borne, B., & Reddy, P. (2017). Healthcare workers' behaviors and personal determinants associated with providing adequate sexual and reproductive healthcare services in sub-Saharan Africa: a systematic review. BMC Pregnancy and Childbirth, 17, 86.

Muschalik, C., Elfeddali, I., Crutzen, R., & De Vries, H. (2017). An integrated approach towards behavior change: how conscious and unconscious cognitions jointly determine (reduced) red meat intake. The European Health Psychologist, 19, 358-360.

Nunn, A.J., Crutzen, R., Haag, D., Chabot, C., Carson, A., Ogilvie, G., Shoveller, J., & Gilbert, M. (2017). Examining e-loyalty in an online sexual health promotion intervention. JMIR Public Health and Surveillance, 3, e75.

Okafor, U.O., Crutzen, R., Adebajo, S., Okekearu, I., & Van den Borne, B. (2017). Using brothel leadership to improve condom use among brothel-based Female Sex Workers in Abuja, Nigeria: results of a cluster randomized pilot study. Global Journal of Health Science, 9, 144-157.

Okafor, U.O., Crutzen, R., Aduak, Y., Adebajo, S., & Van den Borne, H.W. (2017). Behavioural interventions promoting condom use among Female Sex Workers in sub-Saharan Africa: a systematic review. African Journal of AIDS Research, 16, 257-268.

Okafor, U.O., Crutzen, R., Awo, E.A., & Van den Borne, B. (2017). Perspectives of brothel leaders and HIV prevention experts on the role of gatekeepers on improving condom use by Female Sex Workers in Abuja, Nigeria. Global Journal of Health Science, 9, 183-193.

Okafor, U.O., Crutzen, R., Okekearu, I., Adebajo, S., & Van den Borne, H. (2017). HIV prevalence and high risk behaviour of young brothel and non-brothel based Female Sex Workers in Nigeria. BMC Research Notes, 10, 380.

Okafor, U., Crutzen, R., Okekearu, I., Adebajo, S., Uzor, A., Awo, E.A., Chima, C., Agwagwa, O., & Van den Borne, B. (2017). Using brothel leadership to promote condom use among brothel-based Female Sex Workers in Abuja, Nigeria: study protocol for a cluster randomized pilot study. Pilot and Feasibility Studies, 3, 10.

Peetoom, K.K.B., Crutzen, R., Bohnen, J.M.H.A., Verhoeven, R., Nelissen-Vrancken, H.J.M.G., Winkens, B., Dinant, G.-J., & Cals, J.W.L. (2017). Optimising decision making on illness absenteeism due to fever and common infections within childcare centres: development of a multicomponent intervention and study protocol of a cluster randomised controlled trial. BMC Public Health, 18, 61.

Peters, G.-J.Y. & Crutzen, R. (2017). Pragmatic nihilism: how a Theory of Nothing can help health psychology progress. Health Psychology Review, 11, 103-121.
+ Response to commentaries: Confidence in constant progress: or how pragmatic nihilism encourages optimism through modesty.

Peters, G.-J.Y., Kok, G., Crutzen, R., & Sanderman, R. (2017). Health Psychology Bulletin: improving publication practices to accelerate scientific progress. Health Psychology Bulletin, 1, 1-6.

Reinwand, D., Crutzen, R., Kienhuis, A., Talhout, R., & De Vries, H. (2017). Website use and effects of online information about tobacco additives among the Dutch general population: a randomized controlled trial. Journal of Medical Internet Research, 19, e60.

Romijnders, K.A., Wilkerson, J.M., Crutzen, R., Kok, G., Bauldry, J., Lawler, S.M. & The Montrose Center (2017). Strengthening social ties to increase confidence and self-esteem among sexual and gender minority youth. Health Promotion Practice, 18, 341-347.

Short, C.E., James, E.L., Rebar, A.L., Duncan, M.J., Courneya, K.S., Plotnikoff, R.C., Crutzen, R., Bidargaddi, N., & Vandelanotte, C. (2017). Designing more engaging computer-tailored physical activity behaviour change interventions for breast cancer survivors: lessons from the iMove More for Life study. Supportive Care in Cancer, 25, 3569-3585.

Short, C.E., Rebar, A.L., James, E.L., Duncan, M.J., Courneya, K.S., Plotnikoff, R.C., Crutzen, R., & Vandelanotte, C. (2017). How do different delivery schedules of tailored web-based physical activity advice for breast cancer survivors influence intervention use and efficacy? Journal of Cancer Survivorship, 11, 80-91.

Stanczyk, N., Crutzen, R., Sewuster, N., Schotanus, E., Mulders, M., & Cremers, H.-P. (2017). Differences in cognitions between involved and non-involved employees during the implementation of an electronic health record. Perspectives in Health Information Management, Spring 2017.

2016

Beaujean, D.J.M.A., Crutzen, R., Gassner, F., Ameling, C., Wong, A., Van Steenbergen, J.E., & Ruwaard, D. (2016). Comparing the effect of a leaflet and a movie in preventing tick bites and Lyme disease in The Netherlands. BMC Public Health, 16, 495.

Beaujean, D., Crutzen, R., Kengen, C., Van Steenbergen, J., & Ruwaard, D. (2016). Increase in ticks and Lyme borreliosis, yet research into its prevention on the wane. Vector-Borne and Zoonotic Diseases, 16, 349-351.

Beaujean, D.J., Gassner, F., Wong, A., Van Steenbergen, J.E., Crutzen, R., Ruwaard, D. (2016). Education on tick bite and Lyme borreliosis prevention, aimed at schoolchildren in the Netherlands: comparing the effects of an online educational video game versus a leaflet or no intervention. BMC Public Health, 16, 1163.

Bilal, S., Dinant, G.-J., Blanco, R., Crutzen, R., Mulugeta, A., & Spigt, M. (2016). The influence of father's child feeding knowledge and practices on children's dietary diversity: a study in urban and rural districts of Northern Ethiopia, 2013. Maternal & Child Nutrition, 12, 473-483.

Crutzen, R., Van 't Riet, J., & Short, C.E. (2016). Enjoyment: a conceptual exploration and overview of experimental evidence in the context of games for health. Games for Health Journal, 5, 15-20.

Désiron, H., Crutzen, R., Godderis, L., Van Hoof, E., & De Rijk, A. (2016). Bridging health care and the workplace: formulation of a return-to-work intervention for breast cancer patients using an Intervention Mapping approach. Journal of Occupational Rehabilitation, 26, 350-365.

Jander, A., Crutzen, R., Mercken, L., Candel, M., & De Vries, H. (2016). Effects of a Web-based computer-tailored game to reduce binge drinking among Dutch adolescents: a cluster randomized controlled trial. Journal of Medical Internet Research, 18, e29.

Jonas, K., Crutzen, R., Van den Borne, B., Sewpaul, R., & Reddy, P. (2016). Teenage pregnancy rates and associations with other health risk behaviours: a three-wave cross-sectional study among South African school-going adolescents. Reproductive Health, 13, 50.

Jonas, K., Reddy, P., Van den Borne, B., Sewpaul, R., Nyembezi, A., Naidoo, P., & Crutzen R. (2016). Predictors of nurses' and midwives' intentions to provide maternal and child healthcare services to adolescents in South Africa. BMC Health Services Research, 16, 658.

Ketelaar, P.E., Janssen, L., Vergeer, M., Van Reijmersdal, E.A., Crutzen, R., & Van & 't Riet, J. (2016). The success of viral ads: social and attitudinal predictors of consumer pass-on behavior on social network sites. Journal of Business Research, 69, 2603-2613.

Peters, G.-J.Y., Dima, A., Plass, A.M., Crutzen, R., Gibbons, C., & Doyle, F. (2016). Measurement in health psychology: combining theory, qualitative, and quantitative methods to do it right. The European Health Psychologist, 18, 235-246.

Reinwand, D.A., Crutzen, R., Storm, V., Wienert, J., Kuhlmann, T., De Vries, H., & Lippke, S. (2016). Generating and predicting high quality action plans to facilitate physical activity and fruit and vegetable consumption. BMC Public Health, 16, 317.

Romijnders, K., Ross, M., McCurdy, S., Nyoni, J., Mbwambo, J., Kok, G., & Crutzen, R. (2016). Lubricant use and condom use during anal sex in men who have sex with men in Tanzania. International Journal of STD & AIDS, 27, 1289-1302.

2015

Crutzen, R. & Ruiter, R.A.C. (2015). Interest in behaviour change interventions: a conceptual model. The European Health Psychologist, 17, 6-11.

Crutzen, R., Giabbanelli, P.J., Jander, A., Mercken, L., & De Vries, H. (2015). Identifying binge drinkers based on parenting dimensions and alcohol-specific parenting practices: building classifiers on adolescent-parent paired data. BMC Public Health, 15, 747.

Crutzen, R., Viechtbauer, W., Spigt, M., & Kotz, D. (2015). Differential attrition in health behaviour change trials: a systematic review and meta-analysis. Psychology & Health, 30, 122-134.

Elsheikh, I.E., Crutzen, R., & Van den Borne, H.W. (2015). Perceptions of Sudanese women of reproductive age towards HIV/AIDS and services for Prevention of Mother-to-Child Transmission of HIV. BMC Public Health, 15, 674.

Giabbanelli, P.J. & Crutzen, R. (2015). Supporting self-management of obesity using a novel game architecture. Health Informatics Journal, 21, 223-236.

Jander, A., Crutzen, R., Mercken, L., & De Vries, H. (2015). Web-based interventions to decrease alcohol-use in adolescents: a Delphi study about increasing effectiveness and reducing drop-out. BMC Public Health, 15, 340.

Peters, G.-J.Y., De Bruin, M., & Crutzen, R. (2015). Everything should be as simple as possible, but no simpler: towards a protocol for accumulating evidence regarding the active content of health behaviour change interventions. Health Psychology Review, 9, 1-14.
+ Response to commentaries: De Bruin, M., Crutzen, R., & Peters, G.-J.Y. - Everything should be as simple as possible, but this will still be complex: a reply to various commentaries on IPEBA.

Reinwand, D.A., Crutzen, R., Elfeddali, I., Schneider, F., Schulz, D.N., Smit, E.S., Stanczyk, N.E., Tange, H., Voncken-Brewster, V., Walthouwer, M.J.L., Hoving, C., & De Vries, H. (2015). Impact of educational level on study attrition and evaluation of web-based computer-tailored interventions: results from seven randomized controlled trials. Journal of Medical Internet Research, 17, e228.

Reinwand, D.A., Schulz, D.N., Crutzen, R., Kremers, S.P.J., & De Vries, H. (2015). Who follows eHealth interventions as recommended? A study of participants´ personal characteristics from the experimental arm of a randomized controlled trial. Journal of Medical Internet Research, 17, e115.

Theunissen, K.A.T.M., Bos, A.E.R., Hoebe, C.J.P.A., Kok, G., Vluggen, S., Crutzen, R., & Dukers-Muijrers, N.H.T.M. (2015). Chlamydia trachomatis testing among young people: what is the role of stigma? BMC Public Health, 15, 651.

Theunissen, K., Hoebe, C., Kok, G., Crutzen, R., Kara-Zaïtri, C., De Vries, N., Van Bergen, J., Hamilton, R., Van der Sande, M., & Dukers-Muijrers, N. (2015). A Web-based respondent driven sampling pilot targeting young people at risk for Chlamydia trachomatis in social and sexual networks with testing: a use evaluation. International Journal of Environmental Research and Public Health, 12, 9889-9906.

Van Damme, J., Maes, L., Kuntsche, E., Crutzen, R., De Clerq, B., Van Lippeveld, W., & Hublet, A. (2015). The influence of parental drinking on offspring's drinking motives and drinking: a mediation analysis on 9 year follow-up data. Drug and Alcohol Dependence, 149, 63-70.

Vestjens, L., Kempen, G.I.J.M., Crutzen, R., Kok, G., & Zijlstra, G.A. (2015). Promising behavior change techniques in a multicomponent intervention to reduce concerns about falls in old age: a Delphi study. Health Education Research, 30, 309-322.

Viechtbauer, W., Smits, L., Kotz, D., Budé, L., Spigt, M., Serroyen, J., & Crutzen, R. (2015). A simple formula for the calculation of sample size in pilot studies. Journal of Clinical Epidemiology, 68, 1375-1379.

2014

Cremers, H.-P., Mercken, L., Crutzen, R., Willems, P., De Vries, H. & Oenema, A. (2014). Do email and mobile phone prompts stimulate primary school children to reuse an Internet-delivered smoking prevention intervention? Journal of Medical Internet Research, 16, e86.

Crutzen, R. (2014). The Behavioral Intervention Technology Model and Intervention Mapping: the best of both worlds. Journal of Medical Internet Research, 16, e188.

Crutzen, R. (2014). Time is a jailer: what do alpha and its alternatives tell us about reliability? The European Health Psychologist, 16, 70-74.

Crutzen, R. & Beaujean, D. (2014). Preventive behaviours regarding tick bites. BMJ, 348, g231.

Crutzen, R. & Giabbanelli, P.J. (2014). Using classifiers to identify binge drinkers based on drinking motives. Substance Use & Misuse, 49, 110-115.

Crutzen, R., Beekers, N., Van Eenbergen, M., Becker, M., Jongen, L., & Van Osch, L. (2014). e-Loyalty towards a cancer information website: applying a theoretical framework. Psycho-Oncology, 23, 685-691.

Crutzen, R., Bosma, H., Havas, J., & Feron, F. (2014). What can we learn from a failed trial: insight into non-participation in a chat-based intervention trial for adolescents with psychosocial problems. BMC Research Notes, 7, 824.

Crutzen, R., Ruiter, R.A.C., & De Vries, N.K. (2014). Can interest and enjoyment help to increase use of Internet-delivered interventions? Psychology & Health, 29, 1227-1244.

Giabbanelli, P.J. & Crutzen, R. (2014). Creating groups with similar expected behavioural response in Randomized Controlled Trials: a fuzzy cognitive map approach. BMC Medical Research Methodology, 14, 130.

Jander, A., Crutzen, R., Mercken, L., & De Vries, H. (2014). A Web-based computer-tailored game to reduce binge drinking among 16 to 18 year old Dutch adolescents: development and study protocol. BMC Public Health, 14, 1054.

Logsdon, M.C., Bennett, G., Crutzen, R., Martin, L. Eckert, D., Robertson, A., Myers, J., Tomasulo, R., Gregg, J., Barone, M., Lynch, T., & Flamini, L. (2014). Preferred health resources and use of social media to obtain health and depression information by adolescent mothers. Journal of Child and Adolescent Psychiatric Nursing, 27, 163-168.

Theunissen, K.A.T.M., Schipper, P., Hoebe, C.J.P.A., Crutzen, R., Kok, G., & Dukers-Muijrers, N.H.T.M. (2014). Barriers to and facilitators of partner notification for Chlamydia trachomatis among health care professionals. BMC Health Services Research, 14, 647.

Van 't Riet, J., Crutzen, R., & Lu, A.S. (2014). The effects of active videogames among the young and the old: adding meta-analyses to two recent systematic reviews. Games for Health Journal, 3, 311-318.

Viechtbauer, W., Kotz, D., Spigt, M., Arts, I.C.W., & Crutzen, R. (2014). Higher efficiency and other alleged advantages are not inherent to the stepped wedge design. Journal of Clinical Epidemiology, 67, 834-836.

2013

Badri, A., Crutzen, R., Eltayeb, S., & Van den Borne, H.W. (2013). Promoting Darfuri women's psychosocial health: developing a war-trauma counsellor training program tailored to the person. The EPMA Journal, 4, 10.

Badri, A., Crutzen, R., & Van den Borne, H.W. (2013). Coping resources and resilience characteristics among war-affected and non-war-affected Sudanese female university students: a comparative study. The Africa Institute Occasional Paper Series, 1, 3.

Badri, A.,Van den Borne, H.W., & Crutzen, R. (2013). Experiences and psychosocial adjustment of Darfuri female students affected by war: an exploratory study. International Journal of Psychology, 48, 944-953.

Beaujean, D.J.M.A., Gassner, F., Wong, A., Van Steenbergen, J.E., Crutzen, R., & Ruwaard, D. (2013). Determinants and protective behaviours regarding tick bites among school children in the Netherlands: a cross-sectional study. BMC Public Health, 13, 1148.

Beaujean, D.J.M.A., Van Velsen, L., Van Gemert-Pijnen, J.E.W.C., Maat, A., Van Steenbergen, J., & Crutzen, R. (2013). Using risk group profiles as a lightweight qualitative approach for intervention development: an example on prevention of tick bites and Lyme disease. JMIR Research Protocols, 2, e45.

Bessems, K.M.H.H., Van Assema, P., Crutzen, R., Paulussen, T.G.W.M., & De Vries, N.K. (2013). Examining the relationship between completeness of teachers' implementation of the Krachtvoer healthy diet programme and changes in students' dietary intakes. Public Health Nutrition, 16, 1273-1280.

Crutzen, R. (2013). Comparing theory-based interventions, theories, or behavior change methods? Health Psychology.

Crutzen, R., Cyr, D., Larios, H., Ruiter, R.A.C., & De Vries, N.K. (2013). Social presence and use of Internet-delivered interventions: a multi-method approach. PLOS ONE, 8, e57067.

Crutzen, R. & Kuntsche, E. (2013). Validation of the four-dimensional structure of drinking motives among adults. European Addiction Research, 19, 222-226.

Crutzen, R., Kuntsche, E., & Schelleman-Offermans, K. (2013). Drinking motives and drinking behavior over time: a full cross-lagged panel study among adults. Psychology of Addictive Behaviors, 27, 197-201.

Crutzen, R., Roosjen, J.L., & Poelman, J. (2013). Using Google Analytics as a process evaluation method for Internet-delivered interventions: an example on sexual health. Health Promotion International, 28, 36-42.

Crutzen, R., Viechtbauer, W., Kotz, D., & Spigt, M. (2013). No differential attrition was found in randomized controlled trials published in general medical journals: a meta-analysis. Journal of Clinical Epidemiology, 66, 948-954.

Giabbanelli, P.J. & Crutzen, R. (2013). An agent-based social network model of binge drinking among Dutch adults. Journal of Artificial Societies and Social Simulation, 16, 10.

Jander, A., Mercken, L., Crutzen, R., & De Vries, H. (2013). Determinants of binge drinking in a permissive environment: focus group interviews with Dutch adolescents and parents. BMC Public Health, 13, 882.

Kohl, L.F.M., Crutzen, R., & De Vries, N.K. (2013). Online prevention aimed at lifestyle behaviors: a systematic review of reviews. Journal of Medical Internet Research, 15, e146.

Mukhayer, A.I.G., Van den Borne H.W., Crutzen R., & De Vries, N.K. (2013). Determinants of dietary behaviors of school going adolescents in Sudan. Journal of Child and Adolescent Behavior, 1, 102.

Stanczyk, N.E., Crutzen, R., Bolman, C., Muris, J.W.M., & De Vries, H. (2013). Influence of delivery strategy on message-processing mechanisms and future adherence of a Dutch computer-tailored smoking cessation intervention. Journal of Medical Internet Research, 15, e28.

Theunissen, K.A.T.M., Hoebe, C.J.P.A., Crutzen, R., Kara-Zaïtri, C., De Vries, N.K., Van Bergen, J.E.A.M., Van der Sande, M.A.B., & Dukers-Muijrers, N.H.T.M. (2013). Using Intervention Mapping for the development of a targeted secure web-based outreach strategy named SafeFriend, for Chlamydia trachomatis testing in young people at risk. BMC Public Health, 13, 996.

2012

Badri, A., Crutzen, R., & Van den Borne, H.W. (2012). Exposures to war-related traumatic events and post-traumatic stress disorder symptoms among displaced Darfuri female university students: an exploratory study. BMC Public Health, 12, 603.

Crutzen, R. (2012). From eHealth technologies to interventions. Journal of Medical Internet Research, 14, e93.

Crutzen, R., Cyr, D., & De Vries, N.K. (2012). The role of user control in adherence to and knowledge gained from a website: randomized comparison between a tunneled version and a freedom-of-choice version. Journal of Medical Internet Research, 14, e45.

Crutzen, R., De Kruif, L., & De Vries, N.K. (2012). You never get a second chance to make a first impression: the effect of visual complexity on intention to use websites. Interaction Studies, 13, 469-477.

Crutzen, R. & Gao, G. (2012). eHealth: What is needed at the policy level? Policy & Internet, 4, 1.

Crutzen, R. & Göritz, A.S. (2012). Public awareness and practical knowledge regarding Hepatitis A, B, and C: a two-country survey. Journal of Infection and Public Health, 5, 195-198.

Crutzen, R. & Knibbe, R.A. (2012). A Dutch panel study on the relation between structure of everyday life, daily hassles, and alcohol consumption. BMC Public Health, 12, 1068.

Crutzen, R., Nijhuis, E., & Mujakovic, S. (2012). Negative associations between primary school children's perception of being allowed to drink at home andalcohol use. Mental Health and Substance Use: dual diagnosis, 5, 64-69.
+ Response to commentary: Associations and mixed findings.

Crutzen, R., Peters, G.-J.Y., & Abraham, C. (2012). What about trialists sharing other study materials? BMJ, 345, e8352.

Göritz, A.S. & Crutzen, R. (2012). Reminders in web-based data collection: increasing response at the price of retention? American Journal of Evaluation, 33, 240-250.

Kotz, D., Spigt, M., Arts, I.C.W., Crutzen, R., & Viechtbauer, W. (2012). Use of the stepped wedge design cannot be recommended: a critical appraisal and comparison with the classic cluster randomized controlled trial design. Journal of Clinical Epidemiology, 65, 1249-1252.
+ Response to commentary: Researchers should convince policy makers to perform a classic cluster RCT instead of a stepped wedge design when an intervention is rolled out.
+ Response to commentary: The stepped wedge design does not inherently have more power than a cluster randomized controlled trial.

Peters, G.-J.Y., Abraham, C., & Crutzen, R. (2012). Full disclosure: doing behavioural science necessitates sharing. The European Health Psychologist, 14, 77-84.

Sassen, B., Kok, G., Mesters, I., Crutzen, R., Cremers, A., & Vanhees, L. (2012). A web-based intervention for health professionals and patients to decrease cardiovascular risk attributable to physical inactivity: development process. JMIR Research Protocols, 1, e21.

2011

Al-Iryani, B., Basaleem, H., Al-Sakkaf, K., Crutzen, R., Kok, G., & Van den Borne, B. (2011). Evaluation of a school-based HIV prevention intervention among Yemeni adolescents. BMC Public Health, 11, 279.

Brouwer, W., Kroeze, W., Crutzen, R., De Nooijer, J., De Vries, N.K., Brug, J., & Oenema, A. (2011). Which intervention characteristics are related to more exposure to Internet-delivered healthy lifestyle promotion interventions? A systematic review. Journal of Medical Internet Research, 13, e2.

Crutzen, R. (2011). Is it time to start focussing on content of computer-delivered interventions? Addiction, 106, 1871.

Crutzen, R., Cyr, D., & De Vries, N.K. (2011). Bringing loyalty to e-health: theory validation using three Internet-delivered interventions. Journal of Medical Internet Research, 13, e73.

Crutzen, R. & De Nooijer, J. (2011). Intervening via chat: an opportunity for adolescents' mental health promotion? Health Promotion International, 26, 238-243.

Crutzen, R., De Nooijer, J., Brouwer, W., Oenema, A., Brug, J., & De Vries, N. K. (2011). Strategies to facilitate exposure to Internet-delivered health behaviour change interventions aimed at adolescents or young adults: a systematic review. Health Education & Behavior, 38, 49-62.

Crutzen, R. & Göritz, A.S. (2011). Does social desirability compromise self-reports of physical activity in web-based research? International Journal of Behavioral Nutrition and Physical Activity, 8, 31.

Crutzen, R. & Mevissen, F.E.F. (2011). Just another manic Monday: peaking sexual concerns after the weekend. Archives of Sexual Behavior, 40, 1105-1106.

Crutzen, R., Peters, G.-J.Y., Dias Portugal, S., Fisser, E.M., & Grolleman, J.J. (2011). An artificially intelligent chat agent that answers adolescents' questions related to sex, drugs, and alcohol: an exploratory study. Journal of Adolescent Health, 48, 514-519.

Havas, J., De Nooijer, J., Crutzen, R., & Feron, F. (2011). Adolescents' view about an Internet platform for adolescents with mental health problems. Health Education, 111, 164-176.

2010

Brouwer, W., Oenema, A., Raat, H., Crutzen, R., De Nooijer, J., De Vries, N.K., & Brug, J. (2010). Characteristics of visitors and revisitors of an Internet-delivered computer-tailored lifestyle intervention implemented for use by the general public. Health Education Research, 25, 585-595.

Crutzen, R. (2010). A systematic review on computer-based education for patients with hypertension: what about effect sizes? Health Education Journal, 69, 365-366.

Crutzen, R. (2010). Adding effect sizes to a systematic review on interventions for promoting physical activity among European teenagers. International Journal of Behavioral Nutrition and Physical Activity, 7, 29.

Crutzen, R. & Göritz, A.S. (2010). Social desirability and self-reported health risk behaviors in web-based research: three longitudinal studies. BMC Public Health, 10, 720.

Crutzen, R., Knibbe, R.A., & Mysyuk, Y. (2010). Unravelling the role of drinking motives in the relationship between stress and alcohol use and its related problems. Mental Health and Substance Use: dual diagnosis, 3, 38-46.

Van 't Riet, J., Crutzen, R., & De Vries, H. (2010). Investigating predictors of visiting, using and revisiting an online health-education programme: a longitudinal study. Journal of Medical Internet Research, 12, e37.

2009

Brouwer, W., Oenema, A., Crutzen, R., De Nooijer, J., De Vries, N.K., & Brug, J. (2009). What makes people decide to visit and use an Internet-delivered behaviour-change intervention? A qualitative study among adults. Health Education, 109, 460-473.

Crutzen, R., De Nooijer, J., Brouwer, W., Oenema, A., Brug, J., & De Vries, N.K. (2009). A conceptual framework for understanding and improving adolescents' exposure to Internet-delivered interventions. Health Promotion International, 24, 277-284.

Crutzen, R., De Nooijer, J., Brouwer, W., Oenema, A., Brug, J., & De Vries, N.K. (2009). Effectiveness of online word of mouth on exposure to an Internet-delivered intervention. Psychology & Health, 24, 651-661.

2008

Brouwer, W., Oenema, A., Crutzen, R., De Nooijer, J., De Vries, N.K., & Brug, J. (2008). An exploration of factors related to dissemination of and exposure to Internet-delivered behavior change interventions aimed at adults: a Delphi study approach. Journal of Medical Internet Research, 10, e10.

Crutzen, R., De Nooijer, J., Brouwer, W., Oenema, A., Brug, J., & De Vries, N.K. (2008). Internet-delivered interventions aimed at adolescents: a Delphi study on dissemination and exposure. Health Education Research, 23, 427-439.

Crutzen, R., De Nooijer, J., Brouwer, W., Oenema, A., Brug, J., & De Vries, N.K. (2008). Qualitative assessment of adolescents' views about improving exposure to Internet-delivered interventions. Health Education, 108, 105-116.

Crutzen, R., De Nooijer, J., Candel, M.J.J.M., & De Vries, N.K. (2008). Adolescents who intend to change multiple health behaviours choose greater exposure to an Internet-delivered intervention. Journal of Health Psychology, 13, 906-911.

Crutzen, R., De Nooijer, J., & De Vries, N.K. (2008). How to reach a target group with Internet-delivered interventions? The European Health Psychologist, 10, 77-79.

Reinaerts, E., Crutzen, R., Candel, M.J.J.M., De Vries, N.K., & De Nooijer, J. (2008). Increasing fruit & vegetable intake among children: comparing long-term effects of a free distribution and a multi-component program. Health Education Research, 23, 987-996.

Publications in national journals (in Dutch)

Crutzen, R. (2022). Participatie, systeemdenken en nog een crisis. Tijdschrift voor Gezondheidswetenschappen, doi: 10.1007/s12508-022-00359-6.

Peetoom, K., Crutzen, R., Dinant, G.-J., & Cals, J. (2019). Kinderen met koorts gaan niet zo vaak naar de dokter. Huisarts & Wetenschap, 62, doi:10.1007/s12445-019-0119-6.

Steenaart, E., Crutzen, R., & De Vries, N.K. (2018). Geen bezwaar tegen de nieuwe donorwet, maar wel nog meer verantwoordelijkheid. Tijdschrift voor Gezondheidswetenschappen, 96, 134-135.

Kremers, S.P.J. & Crutzen, R. (2018). Nieuw leven in het fidelity-adaptation-debat: van McDonald’s tot de Gezonde School. Tijdschrift voor Gezondheidswetenschappen, 96, 11-13.

Van der Velden, P., Van Wilsem, J., Bakker, B.N., Crutzen, R., Meuleman, R., & Lahlah, E. (2017). Voer voor psychologen: het Longitudinal Internet Studies for the Social sciences (LISS)-panel. De Psycholoog, 5, 32-41.

Crutzen, R. & De Vries, N.K. (2015). Online preventie op het gebied van leefstijl: enkele overdenkingen. Tijdschrift voor Gezondheidswetenschappen, 93, 64-67.

Beaujean, D.J.M.A., Gassner, F., Wong, A., Van Steenbergen, J.E., Crutzen, R., & Ruwaard, D. (2014). Wat weten, denken en vinden Nederlandse schoolkinderen van teken en lymeziekte? Infectieziekten Bulletin, 25, 255-257.

Ovink, A., Schaper, N., Heinrich, E., & Crutzen, R. (2010). DIEP: na de DESG-prijs enthousiast verder!  DiabeteSpecialist, 34, 7.

Contributions to books

Ruiter, R., Crutzen, R., Lechner, L., Meertens, R., & Kok, G. (2022). Gedragsverandering: van theoretische methodiek naar praktische toepassing. Gezondheidsvoorlichting en Gedragsverandering: een Planmatige Aanpak (pp. 157-188). Uitgeverij Koninklijke Van Gorcum.

Ruiter, R., Crutzen, R., & Kok, G. (2022). Programmaontwikkeling. Gezondheidsvoorlichting en Gedragsverandering: een Planmatige Aanpak (pp. 125-156). Uitgeverij Koninklijke Van Gorcum.

Kader, Z., Crutzen, R., & Roman, N.V. (2021). Family matters: the role of family in adolescent hookah pipe use and satisfaction of basic psychological needs. Child in Africa: Opportunities and Challenges (pp. 267-296). Nova Science Publishers.

Ruiter, R.A.C., Crutzen, R., De Leeuw, E., & Kok, G. (2020). Changing behavior using theories at the interpersonal, organizational, community and societal levels. The Handbook of Behavior Change (pp 251-266). Cambridge University Press.

Crutzen, R., Van der Vaart, R., Evers, A., & Bode, C. (2018). Public health, behavioural medicine, and eHealth technology. eHealth Research, Theory and Development: A Multidisciplinary Approach (pp. 111-127). Routledge.

Crutzen, R. & Vluggen, S. (2017). Internet applications in promoting health behavior. Oxford Bibliographies in Public Health. Oxford University Press.

Van 't Riet, J., Alblas, E., Crutzen, R., & Lu, A.S. (2016). The effects of active videogames on BMI among young people: a meta-analysis. Holistic Perspectives in Gamification for Clinical Practice (pp. 277-292). IGI Global.

Crutzen, R. (2012). Internet-delivered health behaviour change interventions aimed at adolescents. Current Issues and Controversies in School and Community Health, Sport and Physical Education (pp. 167-179). Nova Science Publishers.

Crutzen, R. (2011). On the use of Internet-delivered interventions in worksite health promotion. Well-being: Productivity and Happiness at Work (pp. 174-182). Palgrave Macmillan.

Crutzen, R. (2010). Improving the public health impact of Internet-delivered interventions. Health Psychology (pp. 145-153). Nova Science Publishers.

Other

Crutzen, R. (2021). It's the end of the world as we know it. The Habtic Standard, 6.

Crutzen, R. (2020). A corporate guide to behavior change methods. The Habtic Standard, 3.

Inaugural lecture (in Dutch)

Crutzen, R. (2019). Hardwired... to self-destruct? Universiteit Maastricht.

PhD thesis

Crutzen, R. (2009). Hard to get, hard to keep. Dissemination of and exposure to Internet-delivered health behaviour change interventions aimed at adolescents. Universitaire Pers Maastricht.

Scientific reports (in Dutch)

Van der Burg, L., Bruinsma, J., Crutzen, R., & Cals, J. (2023). Onderzoek naar de effectiviteit van digitale zorgtoepassingen in de huisartsenzorg. Maastricht: Maastricht University.

Kok, G., Crutzen, R., & Ruiter, R. (2019). Opvattingen van UM-medewerkers over mobiliteit. Een onderzoek onder de medewerkers van de UM naar hun opvattingen over het voorgenomen mobiliteitsbeleid. Maastricht: Maastricht University.

Daemen, M., Goossens, A., Creemers, J., & Crutzen, R. (2019). Pilot webcamconsult Sense: resultaten en aanbevelingen. Maastricht: Maastricht University.

Gezondheidsraad (2015). Gezond opgroeien: weten wat werkt. Den Haag: Gezondheidsraad. Publicatienr. 2015/11. ISBN 978-94-6281-027-3

Gerards, S., Rutten, G., Crutzen, R., & Kremers, S. (2015). Blessure- en valpreventie bij beginnende bewegers met overgewicht en obesitas. Maastricht: Maastricht University.

Keer, M., Schokker, D., Van Empelen, P., Crutzen, R., Kok, G., & Paulussen, T. (2014). Gedragswetenschappelijke kennissynthese chlamydiapreventie. Leiden: TNO.

Crutzen, R., Kohl, L., & De Vries, N.K. (2013). Kennissynthese online preventie. Maastricht: Universitaire Pers Maastricht.

Crutzen, R. (2012). Wat is het zoekgedrag van de gebruiker van Sense.info? Wat leert Google Analytics ons? In No nonSense: Onderzoek onder de gebruikers van Sense (pp. 17-27). Utrecht: Rutgers WPF & Soa Aids Nederland.

Crutzen, R. (2010). Optimalisering van de betrokkenheid van deelnemers en datakwaliteit in een cohortstudie. Maastricht: Maastricht University.

Mesters, I., Van der Velden, N., Drenthen, T., Van Dale, D., Kok, G., Brug, J., Crutzen, R., & Van der Velde, M. (2010). Standaard Web-based leefstijlinterventies.

Crutzen, R., Brouwer, W., Brug, J., De Vries, N.K., Oenema, A., & De Nooijer, J. (2008). Gezondheidsbevorderende interventies via internet: onderzoek naar mogelijkheden voor effectievere verspreiding en blootstelling. Maastricht: Maastricht University.

In my capacity as editor of The European Health Psychologist

Crutzen, R. (2009). Health promotion in developing countries: an interview with Bart van den Borne. The European Health Psychologist, 11, 2-3.

Crutzen, R. (2009). Public health genomics and its potential for health psychology: an interview with Angela Brand. The European Health Psychologist, 11, 61-63.