Table 1. Socio-demographic and clinical characteristics of participants at baselinea.
| Intervention recipients | Control recipients | |
|---|---|---|
| Sociodemographic characteristics | ||
| Age | ||
| Age, mean (SD), y | 51.2 (14.6) | 50.3 (14.7) |
| Age ≥ 65 years, n (%) | 61 (19.7) | 54 (17.2) |
| Female, n (%) | 228 (73.6) | 245 (77.5) |
| Civil status | ||
| Married, n (%) | 173 (55.8) | 160 (50.6) |
| Single, n (%) | 62 (20.0) | 74 (23.4) |
| Divorced, n (%) | 46 (14.8) | 43 (13.6) |
| Widowed, n (%) | 27 (8.7) | 37 (11.7) |
| Unknown, n (%) | 2 (0.6) | 2 (0.6) |
| Employment status | ||
| Employed (full- or part-time), n (%) | 133 (42.9) | 147 (46.5) |
| Unemployed, n (%) | 42 (13.5) | 40 (12.7) |
| Retired, n (%) | 65 (21.0) | 60 (19.0) |
| Housewife/-husband, n (%) | 30 (9.7) | 24 (7.6) |
| Other (e.g., vocational training), n (%) | 38 (12.3) | 41 (13.0) |
| Unknown, n (%) | 2 (0.6) | 4 (1.3) |
| Clinical characteristics | ||
| Depression, mean PHQ-9 (SD) | 17.3 (3.6) | 17.3 (3.5) |
| PHQ sum score | ||
| Mild or moderate (sum score ≤14), n (%) | 82 (26.5) | 75 (23.9) |
| Moderately severe (sum score 15–19), n (%) | 147 (47.6) | 159 (50.6) |
| Severe (sum score ≥ 20), n (%) | 80 (25.9) | 80 (25.5) |
| Duration of current depressive episode, mean (SD), weeks | 17.5 (23.3) | 21 (28.5) |
| Receiving maintenance treatment, n (%)b | 232 (74.8) | 234 (74.5) |
| Number of physical comorbid conditions, mean (SD)c | 3 (2.2) | 3 (2.3) |
| Health-related quality of life, mean EQ-5D (SD) | 61.1 (20.2) | 59.8 (21.3) |
a Analyses based on n (max) = 310 intervention recipients and n (max) = 316 control recipients.
b Defined as patients receiving depression treatment (depression diagnosis known by the GP before starting the trial).
c Number of physical comorbid conditions were assessed by counting the documented diagnoses of different diagnostic groups (excluding all psychiatric diagnoses) in the patient records.