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Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/68468, first published .
Person holding phone with "Wat drink jij?" (What are you drinking?) on screen

Effects, Acceptability, and Use of a Dynamically Tailored Mobile What Do You Drink Intervention to Reduce Excessive Drinking Among Adolescents and Young Adults in the Netherlands: Randomized Controlled Trial

Effects, Acceptability, and Use of a Dynamically Tailored Mobile What Do You Drink Intervention to Reduce Excessive Drinking Among Adolescents and Young Adults in the Netherlands: Randomized Controlled Trial

Hilde van Keulen   1 , PhD ;   Carmen Voogt   2 , PhD ;   Marloes Kleinjan   3 , PhD ;   Arjan Huizing   1 , MSc ;   Rosa Andree   4 , MSc ;   Pepijn van Empelen   1, 5 , PhD

1 Department of Child Health, Netherlands Organisation for Applied Scientific Research, Leiden, The Netherlands

2 Eating Disorder Experts Network, Emergis and Parnassia Groep, The Hague, The Netherlands

3 HAN (Hogeschool Arnhem Nijmegen) University of Applied Sciences, Research Group Organisation of Care and Service Delivery, Arnhem, The Netherlands

4 Drug Monitoring and Policy, Trimbos Institute, Utrecht, The Netherlands

5 Department of Health, Medical and Neuropsychology, University of Leiden, Leiden, The Netherlands

Corresponding Author:

  • Hilde van Keulen, PhD
  • Department of Child Health
  • Netherlands Organisation for Applied Scientific Research
  • Sylviusweg 71
  • Leiden 2333 BE
  • The Netherlands
  • Phone: 31 652803631
  • Email: hilde.vankeulen@tno.nl