Table 1.
Sample characteristics by group and gender at baseline.
| Males | Females | All | ||||
|---|---|---|---|---|---|---|
| CG (n = 372) | IG (n = 140) | CG (n = 457) | IG (n = 286) | CG (n = 829) | IG (n = 426) | |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Age | ||||||
| ≤20 years | 77 (20.7) | 26 (18.6) | 105 (23.0) | 59 (20.6) | 182 (22.0) | 85 (20.0) |
| 21-25 years | 206 (55.4) | 81 (57.9) | 250 (54.7) | 157 (54.9) | 456 (55.0) | 238 (55.9) |
| 26-30 years | 69 (18.5) | 23 (16.4) | 82 (17.9) | 57 (19.9) | 151 (18.2) | 80 (18.8) |
| ≥31+ years | 20 (5.4) | 10 (7.1) | 20 (4.4) | 13 (4.5) | 40 (4.8) | 23 (5.4) |
| Field of study | ||||||
| Arts | 38 (10.2) | 16 (11.4) | 73 (16.0) | 59 (20.6) | 111 (13.4) | 75 (17.6) |
| Business and Law | 51 (13.7) | 13 (9.3) | 37 (8.1) | 17 (5.9) | 88 (10.6) | 30 (7.0) |
| Engineering | 87 (23.4) | 10 (7.1) | 44 (9.6) | 10 (3.5) | 131 (15.8) | 20 (4.7) |
| Medicine/Health | 52 (14.0) | 18 (12.9) | 79 (17.3) | 68 (23.8) | 131 (15.8) | 86 (20.2) |
| Natural Science | 57 (15.3) | 39 (27.9) | 70 (15.3) | 47 (16.4) | 127 (15.3) | 86 (20.2) |
| Social Sciences | 54 (14.5) | 23 (16.4) | 122 (26.7) | 67 (23.4) | 176 (21.2) | 90 (21.1) |
| Maths/Informatics | 30 (8.1) | 16 (11.4) | 16 (3.5) | 12 (4.2) | 46 (5.5) | 28 (6.6) |
| Others | 3 (0.8) | 5 (3.6) | 16 (3.5) | 6 (2.1) | 19 (2.3) | 11 (2.6) |
| University | ||||||
| Hamburg | 19 (13.6) | 37 (12.9) | 56 (13.1) | |||
| Bielefeld | 28 (20.0) | 66 (23.1) | 94 (22.1) | |||
| Heidelberg | 61 (43.6) | 87 (30.4) | 148 (34.7) | |||
| Halle | 32 (22.9) | 96 (33.6) | 128 (30.0) | |||
| Hannover | 18 (4.8) | 31 (6.8) | 49 (5.9) | |||
| Düsseldorf | 72 (19.4) | 107 (23.4) | 179 (21.6) | |||
| Mannheim | 58 (15.6) | 61 (13.3) | 119 (14.4) | |||
| Dresden | 224 (60.2) | 258 (56.5) | 482 (58.1) | |||
| Residence | ||||||
| Living with other students | 135 (36.3) | 40 (28.6) | 129 (28.2) | 76 (26.6) | 264 (31.8) | 116 (27.2) |
CG, control group; IG, intervention group.