| Characteristics | Total | Intervention | Control | P value |
|---|---|---|---|---|
| GP s , n a | 63 | 32 | 31 | |
| Age in years, mean (SD) | 50.4 (10.1) | 50.4 (10.2) | 50.4 (10.0) | 0.99 |
| Sex male, n (%) | 37 (58.7) | 19 (59.4) | 18 (58.1) | 0.92 |
| Work settings | ||||
| Urban, n (%) | 38 (60.3) | 17 (53.1) | 21 (67.7) | 0.24 |
| Group practice, n (%) | 58 (92) | 29 (94) | 29 (94) | 0.99 |
| GP s , n b | 32 | 16 | 16 | |
| Age in years, mean (SD) | 49.1 (10.3) | 46.8 (10.4) | 51.4 (10.1) | 0.22 |
| Sex male, n (%) | 16 (50.0) | 7 (43.8) | 9 (56.3) | 0.48 |
| Work settings | ||||
| Urban, n (%) | 18 (56.3) | 9 (56.3) | 9 (56.3) | 1.00 |
| Group practice, n (%) | 31 (96.9) | 15 (93.8) | 16 (100.0) | 1.00 |
| Patients, n | 130 | 69 | 61 | |
| Age in years, mean (SD) | 58.5 (13.7) | 56.8 (13.7) | 60.4 (13.6) | 0.13 |
| Living with a partner, n (%) | 97/128 (75.8) | 53/69 (76.8) | 44/59 (74.6) | 0.77 |
| Employment status, n (%) | 0.75 | |||
| Working | 79 (60.8) | 44 (63.7) | 35 (57.4) | |
| No occupation | 8 (6.2) | 5 (7.3) | 3 (4.9) | |
| Retired | 34 (26.1) | 16 (23.2) | 19 (29.5) | |
| No information | 9 (6.9) | 4 (5.8) | 5 (8.2) |
aTotal number of recruited GPs. bGPs who enrolled patients. SD = standard deviation.