| Group | p | |||
| Control N = 60 | Intervention N = 148 | |||
| N (%) | N (%) | |||
| Age, mean (SD) | 19.8 (1.8) | 19.7 (2.9) | 0.869‡ | |
| Gender | ||||
| Men | 18 (30) | 44 (29.7) | 0.969+ | |
| Women | 42 (70) | 104 (70.3) | ||