Table 1. Baseline characteristics (t1).
| Depression rating by the GP1 | Depression at t1 (PHQ-9 ≥10)2 | ||||||
|---|---|---|---|---|---|---|---|
| Parameter (Missing values) | Total (n = 364) n(%) | Yes (n = 85) n(%) | No (n = 271) n(%) | P-Value | Yes (n = 61) n(%) | No (n = 290) n(%) | P-Value |
| Sex, female (0) | 203 (55.8) | 55 (64.7) | 142 (52.4) | p = 0.046 | 38 (62.3) | 159 (54.8) | p = 0.285 |
| Age (6) [Mean (SD)] in years | 51.24 (18.41) | 50.98 (18.56) | 51.16 (18.23) | p = 0.803 | 45.82 (16.95) | 51.90 (18.61) | p = 0.158 |
| Marital status (2) | p = 0.087 | p<0.001 | |||||
| Married or in a stable relationship | 245 (67.3) | 50 (58.8) | 193 (71.2) | 27 (44.3) | 210 (72.4) | ||
| Single | 92 (25.3) | 29 (34.1) | 61 (11.4) | 27 (44.3) | 60 (20.7) | ||
| Widowed | 25 (6.9) | 6 (7.1) | 17 (6.3) | 6 (9.8) | 19 (6.6) | ||
| Education level (2) | p = 0.485 | p = 0.659 | |||||
| No school degree | 6 (1.6) | 3 (3.5) | 3 (1.1) | 2 (3.3) | 4 (1.4) | ||
| < 10 y of formal education | 107 (29.4) | 26 (30.6) | 79 (29.2) | 15 (24.6) | 83 (28.6) | ||
| 10 y of formal education | 112 (30.8) | 28 (32.9) | 81 (29.9) | 22 (36.1) | 88 (30.3) | ||
| 12–13 y of formal education | 116 (31.9) | 23 (27.1) | 92 (33.9) | 17 (27.9) | 97 (33.3) | ||
| Other | 21 (5.8) | 5 (5.9) | 15 (5.5) | 4 (6.6) | 17 (5.9) | ||
| Occupation (5) | p = 0.017 | p<0.001 | |||||
| Employed part-time | 61 (16.8) | 17 (20.0) | 43 (15.9) | 12 (19.7) | 46 (15.9) | ||
| Employed full-time | 146 (40.1) | 26 (30.6) | 119 (43.9) | 17 (27.9) | 126 (43.4) | ||
| Housewife/homemaker/non-working | 16 (4.4) | 3 (3.5) | 13 (4.8) | 5 (8.2) | 11 (3.8) | ||
| Retired | 94 (25.8) | 23 (27.1) | 68 (25.1) | 10 (16.4) | 80 (27.6) | ||
| Unemployed | 10 (2.7) | 7 (8.2) | 3 (1.1) | 7 (11.5) | 3 (1.0) | ||
| Other | 32 (8.8) | 7 (8.2) | 23 (8.5) | 8 (13.1) | 22 (7.6) | ||
1 8 missings due to missing GP rating
2 13 missings due to incomplete PHQ-9 response. SD: Standard deviation.