Table 1 Baseline characteristics of intervention and control groups by sex: mean (standard deviation) or percentage (%) within group
Women, n = 8735 | Men, n = 11,192 | |||||||
|---|---|---|---|---|---|---|---|---|
Baseline characteristics | Control group (n = 3911) | Intervention group (n = 4824) | Control group (n = 5828) | Intervention group (n = 5364) | ||||
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) |