Health Behaviour in School-aged Children Hong Kong Survey

This project will adopt the HBSC standardized protocol and conduct a school-based survey through self-completion questionnaires administered in the classrooms. The specific population selected for sampling is young people attending school aged 11, 13, and 15. The recommended sample size for each of the three age groups is set at approximately 1,500 students, totalling 4,500 students for each cycle.