Drinking consequences and subsequent drinking in college students over 4 years.

Area of Science:

• Psychology
• Public Health
• Higher Education

Background:

• College student drinking is a significant public health concern.
• Some students persist in heavy drinking despite negative consequences.
• Understanding the trajectory and accumulation of these consequences is crucial.

Purpose of the Study:

• To test if adverse drinking consequences predict continued heavy drinking in college students.
• To determine if students accumulate drinking-related consequences over multiple semesters.
• To explore the consistency of this phenomenon throughout the university experience.

Main Methods:

• Longitudinal study of 3,720 students at a large Midwestern university.
• Surveys administered summer before college and every semester for 4 years.
• Statistical analysis controlled for demographic factors and prior drinking behavior.

Main Results:

• Specific consequences (e.g., blackouts, regretted sexual experiences) consistently predicted subsequent frequent heavy drinking (OR=1.17-1.45).
• A notable proportion of students accumulated consequences over multiple semesters (e.g., 13.8% reported blacking out ≥5 times).
• These patterns persisted throughout the 4-year college duration.

Conclusions:

• Adverse drinking consequences are significant predictors of continued heavy college drinking.
• Students accumulate these negative experiences throughout their university careers.
• Interventions targeting perceptions of drinking norms and protective strategies may reduce harm.