Table 1.
Baseline demographics, drinking variables, and moderators for six study groups for participants who provided both Time 1 and Time 2 data (n = 495)
| Timeline Conditions | No Timeline Conditions | |||||
|---|---|---|---|---|---|---|
| Variable | Assessment only | Basic BMI | Enhanced BMI | Assessment only | Basic BMI | Enhanced BMI |
| Sample size | 87 | 83 | 81 | 79 | 84 | 81 |
| Gender: % Femalea | 67% | 64% | 64% | 66% | 64% | 64% |
| Ethnicity: % White | 86% | 91% | 92% | 87% | 90% | 88% |
| Year: % Freshmen | 54% | 51% | 58% | 53% | 51% | 63% |
| Residence: % living on campus | 86% | 87% | 88% | 78% | 88% | 91% |
| Greek status: % Greek | 20% | 18% | 17% | 26% | 26% | 21% |
| Age (years) | 19.3 (0.7) | 19.3 (0.8) | 19.2 (0.7) | 19.2 (0.8) | 19.3 (0.9) | 19.0 (0.8) |
| Drinks per week | 18.3 (8.9) | 19.4 (12.4) | 18.8 (13.2) | 19.2 (11.2) | 20.8 (16.0) | 19.2 (13.0) |
| Drinks per drinking day | 5.5 (2.3) | 5.5 (2.2) | 5.7 (2.5) | 5.8 (2.6) | 5.7 (3.4) | 5.8 (3.3) |
| Heavy drinking days | 6.9 (3.7) | 7.4 (5.0) | 6.7 (3.7) | 7.7 (4.1) | 7.6 (5.2) | 7.0 (4.2) |
| Peak BAC | 0.22 (0.09) | 0.22 (0.09) | 0.21 (0.09) | 0.21 (0.09) | 0.21 (0.09) | 0.21 (0.09) |
| RAPI | 7.7 (5.9) | 7.9 (7.9) | 6.6 (6.2) | 8.3 (5.7) | 6.6 (6.0) | 7.3 (5.5) |
| RTC | 20.1 (7.2) | 19.0 (7.5) | 19.0 (8.2) | 19.0 (7.0) | 18.0 (6.9) | 19.4 (6.3) |
| INCOM | 36.8 (8.1) | 37.0 (7.8) | 37.4 (8.6) | 37.2 (7.2) | 36.2 (8.7) | 37.0 (8.0) |
| SSRQ | 114.4 (12.8) | 113.2 (12.7) | 112.7 (13.2) | 110.8 (14.1) | 114.7 (16.0) | 110.2 (13.9) |
| Future TP | 3.6 (0.5) | 3.6 (0.5) | 3.5 (0.5) | 3.6 (0.6) | 3.5 (0.5) | 3.5 (0.5) |
| Present-hedonistic TP | 3.6 (0.4) | 3.5 (0.4) | 3.6 (0.5) | 3.6 (0.4) | 3.6 (0.5) | 3.6 (0.4) |
Note. Values indicate the means (and standard deviations) unless otherwise noted. Time 1 = baseline; Time 2 = 1 month; BMI = brief motivational intervention; BAC = blood alcohol concentration; RAPI = Rutgers Alcohol Problems Index; RTCQ = Readiness-to-Change Questionnaire; INCOM = Iowa-Netherlands Comparison Orientation Measure; SSRQ = Short Self-Regulation Questionnaire; TP = Time Perspective.
a
Women were coded “1.”