Multi-dimensional predictors of first drinking initiation and regular drinking onset in adolescence: A prospective...

Area of Science:

• Neuroscience
• Developmental Psychology
• Public Health

Background:

• Early adolescent drinking onset is associated with significant negative health and social outcomes.
• Understanding the predictors and consequences of early drinking initiation is crucial for developing effective prevention strategies.

Purpose of the Study:

• To identify robust predictors of first and regular alcohol drinking onset in early adolescence.
• To examine the utility of drinking onset timing in forecasting later binge drinking and alcohol withdrawal symptoms.

Main Methods:

• Utilized data from the National Consortium on Alcohol and NeuroDevelopment in Adolescence (NCANDA) study (N=538, alcohol-naïve at baseline).
• Employed best subsets selection and Cox Proportional Hazards regressions for predictor identification.
• Used robust linear and zero-inflated Poisson regressions to analyze the association between drinking onset and later outcomes.

Main Results:

• Positive alcohol expectancies, easy home alcohol access, parental solicitation, and lower parental control/knowledge were strong predictors of drinking onset.
• Earlier first and regular drinking onset significantly predicted earlier transitions into binge and regular binge drinking.
• Delayed drinking onset was associated with an increased likelihood of never experiencing alcohol withdrawal symptoms.

Conclusions:

• Behavioral and environmental factors play a key role in predicting adolescent drinking onset.
• Distinguishing between first and regular drinking initiation provides a more nuanced understanding of developmental pathways.
• Findings underscore the importance of interventions aimed at delaying the onset of adolescent alcohol use to mitigate adverse long-term consequences.