TABLE 1.
Participant characteristics.
| Total (N = 220) | Intervention group (n = 113) | Control group (n = 107) | |
| M (SD) | M (SD) | M (SD) | |
| Age in years | 40.89 (12.59) | 41.78 (12.94) | 39.95 (12.20) |
| Height (in cm) | 171.39 (9.58) | 171.68 (10.09) | 171.09 (9.04) |
| Weight (in kg) | 80.16 (21.04) | 79.69 (22.56) | 80.66 (19.39) |
| BMI (in kg/m2) | 27.04 (6.06) | 26.82 (6.36) | 27.27 (5.75) |
| Beck Depression Inventory Score at admissiona | 29.47 (8.89) | 30.56 (9.22) | 28.27 (8.40) |
| Beck Depression Inventory Score at baseline | 21.69 (10.68) | 22.57 (11.88) | 20.77 (9.21) |
| Hamilton Score at baseline | 13.37 (5.31) | 14.19 (5.28) | 12.50 (5.24) |
| Education in yearsb | 14.33 (3.33) | 14.16 (3.49) | 14.51 (3.16) |
| Employment in years | 18.08 (12.42) | 19.13 (12.98) | 16.98 (11.76) |
| M (SD, Min–Max) | |||
| Physical activity 1 week prior to admission (min/week) | 33.06 (48.56, 0–150) | 26.74 (43.99, 0–150) | 39.46 (52.25, 0–150) |
| N (%) | n (%) | n (%) | |
| Sex | |||
| Women | 115 (52) | 63 (56) | 52 (49) |
| Men | 105 (48) | 50 (44) | 55 (51) |
| Language | |||
| German | 178 (81) | 93 (82) | 85 (79) |
| German and second language | 13 (6) | 7 (6) | 6 (6) |
| Other | 29 (13) | 13 (11) | 16 (15) |
| Nationality | |||
| Swiss | 162 (74) | 85 (75) | 77 (72) |
| Swiss dual citizenship | 20 (9) | 10 (9) | 10 (9) |
| German | 22 (10) | 12 (11) | 10 (9) |
| Other | 16 (7) | 6 (5) | 10 (9) |
| Civil status | |||
| Single | 157 (71) | 85 (75) | 72 (67) |
| Married | 63 (29) | 28 (25) | 35 (33) |
| Yearly net incomec | |||
| <50,000 CHF | 84 (45) | 43 (45) | 41 (44) |
| 50,000–100,000 CHF | 65 (34) | 31 (32) | 34 (37) |
| >100,000 | 40 (21) | 22 (23) | 18 (19) |
Of 244 participants who were randomized, 24 withdrew consent, hence the sample at baseline consisted of 220 participants.
a24 participants missing, b2 participants missing, c31 participants missing.