期刊
PSYCHOLOGICAL MEDICINE
卷 52, 期 2, 页码 274-282出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0033291720001919
关键词
Prevention; School; Internet; Randomised controlled trial; Substance use; Replication; Alcohol
资金
- New South Wales Department of Education and Communities [SERAP 2013054]
- Western Australian Department of Education [D13/0475948]
- National Health and Medical Research Council (NHMRC) [APP1047291]
- Centre of Research Excellence Grant in Prevention and Early Intervention in Mental Illness and Substance Use (PREMISE) [APP1134909]
This study successfully replicated the effects of the web-based Climate Schools: Alcohol and Cannabis course in a large cohort of adolescents, showing increased knowledge and reduced alcohol uptake. However, further research and/or adaptation may be necessary in preventing cannabis use and alcohol-related harms.
Background The burden of disease attributable to alcohol and other drug (AOD) use in young people is considerable. Prevention can be effective, yet few programs have demonstrated replicable effects. This study aimed to replicate research behind Climate Schools: Alcohol and Cannabis course among a large cohort of adolescents. Methods Seventy-one secondary schools across three States participated in a cluster-randomised controlled trial. Year 8 students received either the web-based Climate Schools: Alcohol and Cannabis course (Climate, n = 3236), or health education as usual (Control, n = 3150). Outcomes were measured via self-report and reported here for baseline, 6- and 12-months for alcohol and cannabis knowledge, alcohol, cannabis use and alcohol-related harms. Results Compared to Controls, students in the Climate group showed greater increases in alcohol- [standardised mean difference (SMD) 0.51, p < 0.001] and cannabis-related knowledge (SMD 0.49, p < 0.001), less increases in the odds of drinking a full standard drink[(odds ratio (OR) 0.62, p = 0.014], and heavy episodic drinking (OR 0.49, p = 0.022). There was no evidence for differences in change over time in the odds of cannabis use (OR 0.57, p = 0.22) or alcohol harms (OR 0.73, p = 0.17). Conclusions The current study provides support for the effectiveness of the web-based Climate Schools: Alcohol and Cannabis course in increasing knowledge and reducing the uptake of alcohol. It represents one of the first trials of a web-based AOD prevention program to replicate alcohol effects in a large and diverse sample of students. Future research and/or adaptation of the program may be warranted with respect to prevention of cannabis use and alcohol harms.
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