Predicting steep escalations in alcohol use over the teenage years: age-related variations in key social influences

This study examined how family, peer and school factors are related to different trajectories of adolescent alcohol use at key developmental periods.



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.




Adolescents completed surveys during