Table 1.
Comparison of groups at baseline.
| Variable | Intervention (n=460) | Control (n=436) | P value | ||
| Gender (females), n (%) | 265 (57.6) | 244 (56.0) | .62 | ||
| Age (years), mean (SD)a | 25.3 (6.7) | 25.6 (6.8) | .43 | ||
| Age (years), categorical, n (%) | .36 | ||||
| <21 | 119 (26.0) | 110 (25.4) | |||
| 21-25 | 207 (45.2) | 175 (40.4) | |||
| 26-30 | 76 (16.6) | 85 (19.6) | |||
| >31 | 56 (12.2) | 63 (14.5) | |||
| Marital status (single), n (%) | 288 (62.9) | 256 (59.1) | .25 | ||
| University code, n (%) | .89 | ||||
| 1 | 55 (12.0) | 45 (10.3) | |||
| 2 | 13 (2.8) | 9 (2.1) | |||
| 3 | 30 (6.5) | 36 (8.3) | |||
| 4 | 47 (10.2) | 47 (10.8) | |||
| 5 | 27 (5.9) | 30 (6.9) | |||
| 6 | 41 (8.9) | 42 (9.6) | |||
| 7 | 10 (2.2) | 12 (2.8) | |||
| 8 | 12 (2.6) | 12 (2.8) | |||
| 9 | 18 (3.9) | 12 (2.8) | |||
| 10 | 32 (7.0) | 31 (7.1) | |||
| 11 | 5 (1.1) | 10 (2.3) | |||
| 12 | 157 (34.1) | 141 (32.3) | |||
| 13 | 13 (2.8) | 9 (2.1) | |||
| Alcohol parameters | |||||
| Weekly alcohol consumption, mean (SD) | 13.90 (8.43) | 13.66 (8.30) | .67 | ||
| Frequency of HEDb, n (%) | |||||
| 2-3 times a month | 131 (28.5) | 130 (29.8) | .77 | ||
| Approximately 1 time a week | 241 (52.4) | 218 (50.0) | |||
| More than 1 time a week | 88 (19.1) | 88 (20.2) | |||
| Highest eBACc, mean (SD) |
1.32 (0.86) |
1.38 (0.94) |
.32 |
||
| Number of negative consequences of excessive drinkingd, mean (SD) |
3.19 (1.96) |
3.17 (1.95) |
.88 |
||
aIntervention (n=458); control (n=433).
bHED: heavy episodic drinking (how often, during the past 3 months, have you consumed 4 (for females) / 5 (for males) standard drinks on one occasion?).
ceBAC: estimated blood alcohol concentration.
dIncludes negative consequences on studies, academic results, finances, social relationships, gender, regrettable situations, mental health, injuries, conflict, violence, and sleep.