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Select Publications

Conference Presentations

Adam P; Op de Coul E; Den Daas C; Zantkuijl P; Paolucci J-B; Ketsuwan I; Zuilhof W; de Wit J, 2022, 'COVID-19-related changes in sexual activity, condomless anal intercourse, HIV/STI testing and PrEP use among Men who have Sex with Men (MSM) in the Netherlands: two-year trends and programmatic challenges', presented at 24th International AIDS Conference (AIDS 2022), Montreal, Canada, 29 July 2022 - 02 August 2022

Adam P; Salvadori N; Ketsuwan I; Khamduang W; de Wit J; Jourdain J, 2022, 'COVID-19-related changes in sexual activity, condomless anal sex, HIV testing, and PrEP use among men who have sex with men (MSM) in Thailand. When the pandemic compounds pre-COVID-19 challenges.', presented at 24th International Aids Conference (AIDS 2022), Montreal, Canada, 29 July 2022 - 02 August 2022

Adam P; Op de Coul E; Zuilhof W; Zantkuijl P; Den Daas C; de Wit J, 2021, 'Changes in MSM’s sexual activity, PrEP use, and access to HIV/STI testing during and after the first Dutch COVID-19 lockdown', presented at STI & HIV 2021 World Congress, Amsterdam, 14 July 2021 - 17 July 2021

Xiridou M; Heijne J; Adam P; Op de Coul E; Matser A; de Wit J; Wallinga J; van Benthem B, 2021, 'The impact of COVID-19 and associated response measures on STI transmission among men who have sex with men: a mathematical modelling study.', presented at STI & HIV 2021 World Congress, Amsterdam, 14 July 2021 - 17 July 2021

Adam P; Zuilhof W; Zantkuijl P; Den Daas C; Op de Coul E; de Wit J, 2021, 'Supporting MSM at higher risk for Covid-19: an assessment of sexual behavior and factors related to having sex with a higher number of non-household partners during a lockdown', presented at IAS COVID-19 Conference: Prevention, Virtual conference, 02 February 2021 - 02 February 2021, http://covid19programme.iasociety.org/Abstract/Abstract/92

de Wit J; Adam P; Den Daas C; Op de Coul E; Zantkuijl P; Zuilhof W, 2021, 'Changing goal importance during partial lockdown contributes to the effective self-regulation of COVID-19 risk among men who have sex with men (MSM) in the Netherlands', presented at 10th conference of the Association for Researchers in Psychology and Health, Held online, 28 January 2021 - 29 January 2021

Adam P; Op de Coul E; Zantkuijl P; Den Daas C; Zuilhof W; de Wit J, 2020, 'Impact of COVID-19 measures on patterns of sexual activity and risk of HIV/STI acquisition among MSM living in the Netherlands', presented at 13th Netherlands Conference on HIV Pathogenesis, Epidemiology, Prevention and Treatment (NCHIV), Amsterdam, The Netherlands, 24 November 2020 - 26 November 2020

Adam P, 2019, 'Which behavioral change approaches should be promoted in order to reach elimination of HIV transmission?', presented at Symposium ‘Elimination of Human Immunodefienciency Virus and Chronic Viral Hepatitis in South East Asia: How close are we?’, Chiang Mai, Thailand, 19 August 2019 - 20 August 2019

Adam P; de Wit J, 2018, 'How should HIV testing be offered to encourage at-risk individuals to test regularly?', presented at Symposium Expanding Access to HIV Testing and Counseling for Thai and Non-Thai High-Risk Populations in the Public Health System, Chiang Rai, Thailand, 17 December 2018

Adam P, 2017, 'Understanding social inequalities affecting LGBTI communities and adverse health outcomes to inform social change initiatives', presented at Chulalongkorn International Forum as part of the commemoration of the centenary of the Chulalongkorn University., Bangkok, Thailand, 16 March 2017

de Wit JBF; Adam PCG, 2016, 'A self-regulation perspective on sexual risk: Rejoining narratives of complacency, informed decisions and situational influences', presented at International behavioural Health Conference, Hong Kong, 16 January 2016 - 17 January 2016

de Wit JBF; Adam PCG, 2015, 'How does self-control shape health behaviour?', presented at 29th Conference of the European Health Psychology Society, Limassol, Cyprus, 01 September 2015 - 05 September 2015

Mao L; Crooks L; Post J; Adam P; Wright E; Kidd M; Wilson D; Slavin S; Kippax S; de Wit J, 2015, 'Taking Treatment as Prevention into practice: growing support among antiretroviral treatment prescribers in Australia', presented at AIDS Impact, Amsterdam, 28 July 2015 - 31 July 2015

Adam P, 2015, 'Mitigating the effect of online sexual narration on sexual risk-taking: The Chat Smart intervention.', presented at Sexual health: (narrative) approaches in research and interventions., University of Antwerp, Belgium., -

de Wit JBF; Adam PCG, 2013, 'Reflecting on risks and responses: The critical role of individual and community perspectives in making HIV prevention work.', presented at XI International AIDS Impact Conference, Barcelona, 29 September 2013 - 02 October 2013

Adam PCG; de Wit JBF, 2013, 'Navigating desire and sexual risk among gay men: Opportunities and challenges for digital interventions research.', presented at Digital Interventions Symposium, Edith Cowan University, Perth, Australia, -

Adam PCG; de Wit JBF; Friboulet D; Alexandre A, 2013, 'Willingness to use pre-exposure prophylaxis and perceived consequences in terms of condom use: a survey of men who have sex with men in France.', presented at XIth International AIDS Impact Conference, Barcelona, Spain, -

de Wit J; Adam P, 2009, 'Increasing the contribution of social research to HIV prevention: Developing and testing a theory-driven intervention to reduce unpremeditated risk-taking in MSM', presented at 20th Annual Australasian Society for HIV Medicine (ASHM) Conference, Perth, Australia, 17 September 2009 - 20 September 2009

Adam P; de Wit J, 2009, 'Sexual desires, sexual control and sexual risk-taking in men who have sex with men', presented at 20th Annual Australasian Society for HIV Medicine (ASHM) Conference, Perth, Australia, 17 September 2009 - 20 September 2009

Adam P; de Wit JBF, 2009, 'Online erotic chatting with potential sex partners: Does virtual fantasizing promote real-life risk?', presented at 23rd Annual Conference of the European Health Psychology Society, Pisa, Italy, -

de Wit JBF; Adam PCG, 2009, 'Promoting sexual self-regulation online: Strong effects of a short intervention.', presented at 23rd Annual Conference of the European Health Psychology Society, Pisa, Italy, -

de Wit J; Adam P, 2008, 'Reducing non-premeditated risk-taking in MSM: a new intervention protocol to increase vigilance and control tested for efficacy in a prospective RCT', presented at XVII International AIDS Conference, Mexico City, 03 August 2008 - 08 August 2008

Adam P; de Wit J, 2007, 'Safer sex fatigue promotes risk-taking among predominantly HIV-negative MSM. An assessment of underlying processes', presented at 8th International AIDS Impact Conference, Marseille, France, 01 July 2007 - 04 July 2007

Adam P; de Wit J, 2007, 'Initiatives to improve safer sex among MSM', presented at 23rd UISTI-Europe Conference, Dubrovnic-Cavtat, Croatia

de Wit J; Adam P, 2007, 'Is the Internet a special venue for sexual risk?', presented at 23rd UISTI-Europe Conference, Dubrovnic-Cavtat, Croatia

Adam P; de Wit J, 2007, 'Preparing for safer sex as a way to reduce non-premeditated exposures to risk among MSM: a review of Internet studies and interventions', presented at 23rd UISTI-Europe Conference, Dubrovnic-Cavtat, Croatia

Adam P, 2006, 'Ambivalent attitudes and health-related behaviors: Appraising multiple paths of influence', Vol. 21, pp. 39 - 39, presented at 20th Annual Conference of the European Health Psychology Society, Warsaw, Poland, 29 August 2006 - 02 September 2006, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000240000100096&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a

Adam P; Dourado I; de Wit J, 2006, 'Sexual and preventive behaviors of gay and bisexuals men in three national contexts: France, Brazil and The Netherlands', presented at Conference of the Brazilian National Program on HIV/Aids, ANRS, Brazilia, 23 March 2006 - 24 March 2006

Adam P; de Wit J, 2005, 'HIV-testing, perceived serological status and prevention needs of gay men in two national contexts: France and the Netherlands', presented at 7th AIDS impact Conference, Cape Town, South Africa

Adam PCG; de Wit JBF, 2004, 'Strengthening sexual health promotion for young people: a comprehensive assessment of barriers to condom use and HIV/STI testing for program development.', presented at 20th International AIDS Conference, Melbourne, Australia, -


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