Predicting steep escalations in alcohol use over the teenage years: age-related variations in key social influences
AIMS: This study examined how family, peer and school factors are related to different trajectories of adolescent alcohol use at key developmental periods.
DESIGN: Latent class growth analysis was used to identify trajectories based on five waves of data (from grade 6, age 12 to grade 11, age 17), with predictors at grades 5, 7 and 9 included as covariates.
SETTING: Adolescents completed surveys during school hours.
PARTICIPANTS: A total of 808 students in Victoria, Australia.
MEASUREMENTS: Alcohol use trajectories were based on self-reports of 30-day frequency of alcohol use. Predictors included sibling alcohol use, attachment to parents, parental supervision, parental attitudes favourable to adolescent alcohol use, peer alcohol use and school commitment.
FINDINGS: A total of 8.2% showed steep escalation in alcohol use. Relative to non-users, steep escalators were predicted by age-specific effects for low school commitment at grade 7 (P = 0.031) and parental attitudes at grade 5 (P = 0.003), and age-generalized effects for sibling alcohol use (Ps = 0.001, 0.012, 0.033 at grades 5, 7 and 9, respectively) and peer alcohol use (Ps = 0.041, < 0.001, < 0.001 at grades 5, 7 and 9, respectively). Poor parental supervision was associated with steep escalators at grade 9 (P < 0.001) but not the other grades. Attachment to parents was unrelated to alcohol trajectories.
CONCLUSIONS: Parental disapproval of alcohol use before transition to high school, low school commitment at transition to high school, and sibling and peer alcohol use during adolescence are associated with a higher risk of steep escalations in alcohol use.
Additional Info
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Authors
Chan G.C.; Kelly A.B.; Toumbourou J.W.; Hemphill S.A.; Young R.M.; Haynes M.A.; Catalano R.F. -
Issue
Addiction / pages 1924-32 / 108(11) -
Published Date
9 july 2013
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