Bechtiger, Laura https://orcid.org/0000-0002-7049-2165
Bürgin, David https://orcid.org/0000-0002-0856-1342
Vasconcelos, Gregor Ferolla
Ribeaud, Denis https://orcid.org/0000-0002-1668-8319
Eisner, Manuel https://orcid.org/0000-0001-5436-9282
Shanahan, Lilly https://orcid.org/0000-0002-4534-6924
Funding for this research was provided by:
Jacobs Center for Productive Youth Development
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (405240_69025)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (405240_69025)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (10FI14_170409)
Jacobs Foundation (2010-888)
Jacobs Foundation (2010-888)
Swiss Federal Office of Public Health (2.001391)
Swiss Federal Office of Public Health (2.001391)
Canton of Zurich's Department of Education
Swiss Federal Commission on Migration (03-901 (IMES))
Swiss Federal Commission on Migration (03-901 (IMES))
Julius Bär Foundation
Visana Plus Foundation
Article History
Received: 26 May 2025
Accepted: 16 December 2025
First Online: 19 January 2026
Declarations
:
: Since 2017, z-proso receives approval from the Ethics Committee of the Faculty of Arts and Social Sciences at the University of Zurich. Before 2017, ethics approval for the study was not necessary.
: For the age 11 assessment, primary caregivers of study participants provided written informed consent for their own and their children’s participation in the study. From age 13 onward, adolescents provided their own written informed consent for study participation. From this point onward, no active parental consent was required, although parents retained the right to withdraw their child’s consent.
: The authors declare no competing interests.