Table 1:
Demographics of study sample and pre-randomization drinking behavior by initial randomization
| Assessment- Only Control (N=300) |
Early Stage 1 (N=295) |
Late Stage 1 (N=296) |
Overall (N=891) |
|
|---|---|---|---|---|
| Age (years) | ||||
| Mean (SD) | 18.1 (0.218) | 18.1 (0.281) | 18.1 (0.227) | 18.1 (0.243) |
| Sex | ||||
| Male | 116 (38.7%) | 115 (39.0%) | 104 (35.1%) | 335 (37.6%) |
| Female | 184 (61.3%) | 180 (61.0%) | 192 (64.9%) | 556 (62.4%) |
| Race/ethnicity | ||||
| Asian Non-Hispanic | 31 (10.3%) | 30 (10.2%) | 30 (10.1%) | 91 (10.2%) |
| Black Non-Hispanic | 14 (4.7%) | 9 (3.1%) | 9 (3.0%) | 32 (3.6%) |
| Hispanic/Latinx | 10 (3.3%) | 15 (5.1%) | 14 (4.7%) | 39 (4.4%) |
| White Non-Hispanic | 233 (77.7%) | 229 (77.6%) | 222 (75.0%) | 684 (76.8%) |
| Other/Multi | 12 (4.0%) | 12 (4.1%) | 21 (7.1%) | 45 (5.1%) |
| Pre-college binge drinking (past 30 days) | ||||
| None | 219 (73.0%) | 213 (72.2%) | 210 (70.9%) | 642 (72.1%) |
| 1 time | 46 (15.3%) | 44 (14.9%) | 36 (12.2%) | 126 (14.1%) |
| 2 times | 16 (5.3%) | 24 (8.1%) | 24 (8.1%) | 64 (7.2%) |
| 3-5 times | 12 (4.0%) | 11 (3.7%) | 19 (6.4%) | 42 (4.7%) |
| 6-9 times | 6 (2.0%) | 3 (1.0%) | 6 (2.0%) | 15 (1.7%) |
| 10+ times | 0 (0%) | 0 (0%) | 1 (0.3%) | 1 (0.1%) |
| Missing | 1 (0.3%) | 0 (0%) | 0 (0%) | 1 (0.1%) |
| Pre-college intention to pledge Greek life | ||||
| No | 190 (63.3%) | 191 (64.7%) | 179 (60.5%) | 560 (62.9%) |
| Yes | 37 (12.3%) | 34 (11.5%) | 33 (11.1%) | 104 (11.7%) |
| Undecided | 73 (24.3%) | 70 (23.7%) | 84 (28.4%) | 227 (25.5%) |