Do personality characteristics predict future alcohol problems after considering current demography, substance use,...

Area of Science:

• Psychology
• Addiction Research
• Genetics of Alcoholism

Background:

• Personality traits are known predictors of alcohol problems.
• These traits often correlate with demographic and substance-use variables.
• Few studies prospectively assess personality's predictive power for alcohol problems after controlling for other factors.

Purpose of the Study:

• To evaluate if personality measures predict future alcohol problems.
• To determine if personality predicts alcohol problems independently of demographic and substance-related variables.

Main Methods:

• Longitudinal study of 414 young adult drinkers without alcohol use disorder (AUD).
• Collected baseline data on demographics, family history of AUD, substance use, psychiatric history, and alcohol response level (LR).
• Assessed seven personality dimensions and followed participants for an average of 9 years to determine AUD criteria.

Main Results:

• Baseline age, sex, follow-up length, AUD family history, cannabis use, and alcohol response level correlated with future alcohol problems.
• Most personality dimensions, except extraversion, also correlated with outcomes.
• Hierarchical regression showed demographics, alcohol response level, cannabis use, and higher sensation seeking significantly predicted future alcohol problems.

Conclusions:

• Personality traits and lower levels of response to alcohol are significant predictors of later alcohol problems.
• These factors retain predictive value even after accounting for baseline demographics and substance use measures.