Cluster randomised controlled trial of an online intervention to prevent ecstasy and new psychoactive substance use among adolescents: final results and implications for implementation

To evaluate the effectiveness of the online Climate Schools: Ecstasy and Emerging Drugs module over 2 years, and examine the impact of intervention dose on outcomes.Cluster randomised controlled trial.Secondary schools in Australia.1126 students (aged 14.9 years) from 11 schools.Five schools were randomly allocated to the four-lesson internet-based Climate Schools: Ecstasy and Emerging Drugs module. This universal intervention uses cartoon...