Table 1.
Baseline participant data
| Characteristics | Win Back Control N = 185 | Self-help manual N = 175 | Pa |
| Gender, n | 0.144b | ||
| Female | 66 (35.7%) | 48 (27.4%) | |
| Male | 119 (64.3%) | 127 (72.6%) | |
| Age, mean (SD) | 33.5 (10.5) | 33.3 (10) | |
| Country of residence | 0.361b | ||
| Germany | 100 (54.1%) | 94 (53.7%) | |
| Switzerland | 63 (34.1%) | 51 (29.1%) | |
| Austria | 18 (9.73%) | 28 (16.0%) | |
| Liechtenstein | 1 (0.54%) | 1 (0.57%) | |
| Not specified | 3 (1.62%) | 1 (0.57%) | |
| Education | 0.149b | ||
| Special needs school | 2 (1.08%) | 1 (0.57%) | |
| Primary school/General secondary school | 30 (16.2%) | 32 (18.3%) | |
| Secondary school | 60 (32.4%) | 61 (34.9%) | |
| Higher education entrance qualification | 58 (31.4%) | 36 (20.6%) | |
| University/University of applied sciences | 31 (16.8%) | 36 (20.6%) | |
| Not specified | 4 (2.16%) | 9 (5.14%) | |
| Outcomes, mean (SD) | |||
| Gambling days last 30 days | 15.92 (8.58) | 16.68 (8.24) | 0.394c |
| Money spent last 30 days | 3,680.96 (7,789.91) | 4,156.40 (7,651.70) | 0.560c |
| Gambling time last 7 days | 679.89 (667.23) | 701.29 (667.74) | 0.555c |
| Cigarettes smoked last 7 days | 84.05 (111.79) | 87.32 (86.33) | 0.702c |
| Drinking days last 7 days | 4.24 (7.44) | 5.29 (8.74) | 0.256c |
| PHQ-9 | 8.73 (4.40) | 9.01 (4.75) | 0.578c |
| GAD-7 | 9.81 (5.03) | 10.06 (4.80) | 0.645c |
| ASRS-v1.1 | 9.19 (5.28) | 9.23 (4.99) | 0.956c |
| PTSD-7 | 9.38 (5.90) | 8.89 (5.9) | 0.855c |
| PGSI | 16.52 (4.96) | 16.97 (4.68) | 0.352c |
| G-SAS | 32.21 (7.95) | 32.50 (7.24) | 0.675c |
| AUDIT | 5.35 (6.37) | 5.52 (5.99) | 0.810c |
| DAST-10 | 1.17 (1.72) | 1.25 (1.68) | 0.904c |
ap values for the comparison of the two intervention conditions.
bχ2 test.
ct-test.