Predicting Alcohol Pre-Drinking in Australian Undergraduate Students Using an Integrated Theoretical Model

Area of Science:

• Psychology
• Public Health
• Behavioral Science

Background:

• Pre-drinking among undergraduates is a significant public health concern.
• Understanding the social-cognitive and motivational drivers of pre-drinking is crucial for developing effective interventions.

Purpose of the Study:

• To investigate the social-cognitive and motivational factors influencing pre-drinking behavior in university students.
• To integrate constructs from Self-Determination Theory and the Theory of Planned Behavior to model pre-drinking intentions and behavior.

Main Methods:

• A prospective correlational study with 286 undergraduate participants.
• Self-report measures assessed motivation (autonomous/controlled), Theory of Planned Behavior constructs (attitudes, subjective norms, perceived behavioral control, intentions), and past alcohol consumption.
• Pre-drinking frequency was reported four weeks after baseline.

Main Results:

• The integrated model explained 54% of the variance in pre-drinking intentions and 20% of the variance in pre-drinking behavior.
• Autonomous motivation significantly predicted intentions, partially mediated by attitudes and subjective norms.
• Behavioral intention and perceived behavioral control were significant predictors of pre-drinking frequency.

Conclusions:

• Autonomous motivation, attitudes, subjective norms, and perceived behavioral control play key roles in shaping students' intentions to pre-drink.
• The intention-behavior gap in pre-drinking warrants further investigation into non-intentional and volitional factors.
• Findings support the integration of Self-Determination Theory and Theory of Planned Behavior for understanding health-related behaviors.