Do school-based smoking preventive interventions have unintended effects? Post hoc analysis of the Focus cluster randomised controlled trial.

ABSTRACT:

Objectives

Public health interventions are designed to improve specific health-related outcomes; however, they may also produce negative side effects, such as substitution use, psychological or social harms. Knowledge about the unintended effects of school-based smoking preventive interventions is sparse. Hence, this study examined these potential unintended effects of the smoking-reducing intervention, Focus, among students in the vocational education and training setting.

Design

Cluster randomised controlled trial stratified by school type with 5 months follow-up.

Setting and participants

Across Denmark, eight schools were randomised to the intervention group (n=844 students, response proportion 76%) and six schools to the control group (n=815 students, response pro

SUBMITTER: Kjeld SG 

PROVIDER: S-EPMC10806711 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature