Impulsivity And Drinking Behaviour Among College Students

Objective:To investigate the prevalence of college drinking, to examine the relationship between impulsivity and drinking behaviour among college students, and to provide evidence for alcohol policy making and intervention strategies in college students.Method:Using multi-staged cluster randomized sampling method,907college students from1-4grade were selected and investigated. The instruments include:demographic data, drinking situation questionnaire, family, peer and the school environment situation questionnaire, AUDIT, Perceived Interpersonal Pressure, Alcohol Expectancy Questionnaire, BIS-11scale Chinese version.Results:1. Ninety hundred and seven students were recruited to complete the survey,317(35.0%) was male and590(65.0%) was female. There were591(65.2%) students who have reported drinking in the last year. The AUDIT score in the drinking students ranged from1to31with a mean of3.84(SD:4.507). The prevalence of hazardous and harmful drinking (≥7score) was17.1%. The prevalence of heavy drinking at a single occasion was47%. The prevalence of acute intoxication in the past year was22.3%.2. Non-conditioned logistic regression showed that male, higher monthly living expenses, mother’s neutral or favourable attitude to drinking, peer’s neutral or favourable attitude to drinking, and peer drinking were risk factors of college drinking.3. Non-conditioned logistic regression showed that male, higher monthly living expenses, smoking, higher peer pressure, lower negative alcohol expectancy, and higher impulsivity scores(OR=1.038,95%CI:1.004-1.073) were risk factors of hazardous and harmful drinking.4. Non-conditioned logistic regression showed that smoking, higher monthly living expenses, higher peer pressure, higher positive alcohol expectancy, and higher impulsivity scores(OR=1.038,95%CI:1.004-1.073) were risk factors of acute intoxication. 5. Ordinal regression model showed that male, higher monthly living expenses, smoking, higher peer pressure, higher positive alcohol expectancy, and higher impulsivity scores(OR=1.029,95%CI:1.006-1.052) were risk factors of heavy drinking at a single occasion.6. Additive interaction was detected between impulsivity and peer pressure to hazardous and harmful drinking (RERI=3.913, S=2.926,95%CI of S=1.037-8.261).Conclusions:After the controlling of demographic factors, family factors, peer and the school factors, peer pressure, and alcohol expectancy, higher impulsivity score was correlated to hazardous and harmful drinking, heavy drinking at a single occasion, and acute intoxication. Additive interaction was detected between impulsivity and peer pressure to hazardous and harmful drinking.