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Examining developmental trajectories in adolescent alcohol use using piecewise growth mixture modeling analysis
F Li1, T E Duncan, H Hops
1Oregon Research Institute, Eugene 97403, USA. fuzhongl@ori.org
Journal of Studies on Alcohol
|May 1, 2001
Summary
Adolescent alcohol use shows varied developmental paths, with distinct trajectories influencing later substance use. These patterns are linked to factors like gender, behavior, and family environment.
Area of Science:
- Developmental Psychology
- Adolescent Health
- Substance Use Research
Background:
- Adolescent alcohol use is a significant public health concern.
- Understanding developmental trajectories is crucial for targeted interventions.
- Heterogeneity in developmental patterns requires investigation.
Purpose of the Study:
- To examine heterogeneity in adolescent alcohol use development.
- To identify distinct developmental trajectories across middle and high school.
- To explore factors influencing these trajectories and later substance use.
Main Methods:
- Piecewise growth mixture modeling was employed.
- A two-piece growth model analyzed alcohol use from Grades 6-12.
- Latent trajectory classes were identified and analyzed with covariates.
Main Results:
- Two distinct alcohol use trajectories were identified.
- Class 1: High initial use, increasing in high school.
- Class 2: Low initial use, linear increase, then growth spurt in high school.
Conclusions:
- Adolescent alcohol use development is heterogeneous.
- Trajectories are influenced by gender, behavior, and family factors.
- Developmental patterns predict young adult substance use.