The Planet Youth study administers a lifestyle questionnaire to 15–16-year-olds in the target community. In this instance the target community was all of the post primary schools in Galway, Mayo and Roscommon. Major topics covered in the questionnaire include substance use, peer factors, family factors, school experience, leisure activities, internet and screen use, self-reported physical and mental health, sleep, bullying. The purpose of the study is to examine the risk and protective factors in the lives and social environment of young people and to generate the data that will inform the development of community-based interventions to address same. Interventions developed are in the four domains of: Parents and Family School Leisure time and local community Peer group

Total universe/Complete enumeration. All students in their post Junior Certificate year in the 90 schools (79 mainstream post primaries, 11 Youthreach Centres) in the region were invited to participate. A opt-out passive consent process was used, and each student and their parents received information about the survey through their schools.

Self-administered questionnaire: Paper