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This study compared personality risk factors and readiness to change drinking behavior among mandated and volunteer college students. The sample ( N = 583) completed three measures of motivation to change and personality risk factors at baseline, 3 months, and 6 months between 2011 and 2012. Linear mixed models were used to determine an association of continuous outcome variable(s) with covariates over time. Participants in the action stage had lower impulsivity scores. Gender was significant, with females showing the highest anxiety and lowest sensation seeking. The findings indicate a number of future directions to advance innovative alcohol intervention and treatment programs on college campuses. [ABSTRACT FROM AUTHOR]

Introduction: Alcohol consumption and illicit drug use among college students are national public health concerns. Mandated students who have violated campus alcohol policies often are at higher risk for heavy drinking and illicit drug use. Purpose: This longitudinal study compared the effectiveness of the Brief Motivational Intervention (BMI) in decreasing alcohol consumption and illicit drug use, as well as the associated negative consequences among mandated students (Group 1) and voluntary students (Group 2). Methods: Eligible participants (436 voluntary, 147 mandated, N = 583) who agreed to be in the study received the BMI at baseline and again at 2 weeks, with boosters at 3 months and 6 months. Descriptive statistics, frequency tables and summary graphs were used to summarize the study variables in both groups. Results: Alcohol and drug use in both groups decreased between baseline and 6 months, with drug use in the mandated group declining to 10% by 6 months. The consequences, including blackouts, decreased significantly for both groups at baseline and 3 months, and then plateaued at 6 months. Conclusions: The results from this study showed that the BMI was effective in decreasing alcohol consumption and illegal drug use, along with the associated negative consequences, among freshman students and voluntary students who were mandated to attend the program. [ABSTRACT FROM AUTHOR]