| Age, mean (sd) | 44 | (12) | 42 | (12) | 43 | (12) | 42 | (12) |
| No sick leave, only visit, n (%) | 1827 | (47) | 2038 | (42) | 2924 | (50) | 2480 | (46) |
| Number of visits per person during 6 months preceding the intervention, mean (sd) | 3 | (2) | 3 | (2) | 2 | (2) | 3 | (2) |
| Any work disability pensiona, n (%) | 133 | (3) | 195 | (4) | 128 | (2) | 180 | (3) |
| Primary outcomeb |
| Medium-term SA (4–14 days), n (%) | 783 | (20) | 1116 | (23) | 1246 | (21) | 1127 | (21) |
| Secondary outcomeb |
| Short-term SA (1–3 days), n (%) | 1555 | (40) | 2087 | (43) | 1993 | (34) | 2056 | (38) |
| Long-term SA (15+ days), n (%) | 406 | (10) | 563 | (12) | 569 | (10) | 557 | (10) |
| Number of SA episodes, mean (sd) | 2.1 | (1.6) | 2.3 | (1.8) | 2.1 | (1.6) | 2.1 | (1.6) |
| Total length of SA, days, mean (sd) | 8 | (21) | 10 | (28) | 7 | (23) | 8 | (23) |
