Coping Skills for Alcohol Use

Peak number of drinks; Item measuring peak alcohol consumption, "Think of the occasion you drank the most this past month. How much did you drink?", response options ranged from 0 (0 drinks) to 25 (25+ drinks);

The DDQ (Collins, Parks, & Marlatt, 1985) was used to measure the quantity of alcohol consumed by asking participants to estimate the typical number of drinks consumed on each day of the week, on average during the past month. A sum score of weekly total drinks per week was then calculated as the sum of the total number of drinks per week reported.

Heavy Episodic Drinking; NIAAA item assessing binge drinking, "During the past month, how often did you have [4 or more drinks (for women) /5 or more drinks (for men)] containing any kind of alcohol within a two-hour period?", response options ranged from 0 (Never) to 7 (Every day);

Alcohol Negative Consequences, Sum score (count) of negative consequences taken from Brief Young Adult Alcohol Consequences Questionnaire; Scores ranged from 0-24, with higher scores associated with more consequences.

The Drinking Motives Questionnaire-Revised (DMQR; Grant V.V., Stewart S.H., O'Connor R.M., Backwell E., & Conrod P.J. (2007). Psychometric evaluation of the five-factor Modified Drinking Motives Questionnaire-Revised in undergraduates. Addictive Behaviors, 32(11), 2611-2632. Doi: 10.1016/j.addbeh.2007.07.004 ) was used to assess reasons for drinking. Using a 5-point scale (ranging from 'almost never/never' to 'almost always/always' participants rate how frequently they use alcohol for various reasons. The alcohol coping motives subscale was used which takes the average of the 9 items on the coping-depression subscale. Average scores ranged from 1-5, with higher scores are associated with greater use of coping.

depressive symptoms; The eight-item Patient Health Questionnaire depression scale (PHQ-8) was used to assess for symptoms of depression. A sum of the 8 items was used, with the summed score ranging from 0-24. Higher scores represent greater symptoms of depression.