Related Experiment Videos
Age of first use: its reliability and predictive utility
E Labouvie1, M E Bates, R J Pandina
1Center of Alcohol Studies, Rutgers University, Piscataway, New Jersey 08855-0969, USA.
Journal of Studies on Alcohol
|December 10, 1997
Summary
Early initiation of illicit drug use predicts adolescent drug use, but not adult substance use. Interventions should focus on delaying onset and reducing use in young adults.
Area of Science:
- Addiction research
- Developmental psychology
- Public health
Background:
- Understanding predictors of adult substance use is crucial for effective prevention.
- The age of first substance use is often considered a key indicator.
Purpose of the Study:
- To evaluate age of first licit and illicit substance use as predictors of alcohol and drug use at ages 20 and 30.
- To assess the reliability of retrospectively recalled ages of onset for substance use.
Main Methods:
- Longitudinal study of 839 individuals from ages 15 to 31.
- Analysis of four waves of data using repeated measures ANOVAS and regression analyses.
Main Results:
- Retrospective recall showed relative agreement but an upward shift in reported age of onset over time.
- Alcohol and drug use declined from ages 20 to 30, with stable individual differences.
- Age of first illicit use weakly predicted alcohol use and strongly predicted drug use at age 20, but neither age predicted use at age 30.
Conclusions:
- Substance use is largely an adolescence-limited phenomenon for most individuals.
- Interventions should target delaying illicit substance use onset and reducing young adult use levels.