Table 2 Odds ratios (OR) and confidence intervals (CI) for new sickness absence (SA) following a mild traumatic brain injury sustained in a traffic accident, by sociodemographic and injury characteristics among the 5473 injured individuals without already ongoing SA or full-time disability pension
n | % new SA (> 14 days) | Crude OR (95% CI) | Adjusted* OR (95% CI) | |
|---|---|---|---|---|
Sex | ||||
Women | 2811 | 14.5 | 1.21 (1.04–1.42) | 1.44 (1.22–1.71) |
Men | 2662 | 12.3 | ref. | ref. |
Age group, years | ||||
18–24 | 1739 | 5.8 | 0.36 (0.28–0.47) | 0.44 (0.34–0.58) |
25–34 | 1218 | 14.4 | ref. | ref. |
35–44 | 1026 | 17.8 | 1.29 (1.03–1.62) | 1.25 (0.98–1.59) |
45–54 | 912 | 19.0 | 1.40 (1.11–1.76) | 1.30 (1.02–1.67) |
55–63 | 578 | 18.3 | 1.34 (1.03–1.74) | 1.29 (0.97–1.72) |
Education level | ||||
Elementary school | 1022 | 9.5 | 0.57 (0.45–0.73) | 1.12 (0.85–1.49) |
High school | 2697 | 13.6 | 0.86 (0.73–1.02) | 1.10 (0.91–1.32) |
University/College | 1754 | 15.5 | ref. | ref. |
Born in Sweden | ||||
No | 821 | 16.2 | 1.30 (1.06–1.59) | 1.32 (1.05–1.66) |
Yes | 4652 | 13.0 | ref. | ref. |
Marital status | ||||
Not married | 4054 | 11.5 | 0.55 (0.46–0.64) | 0.86 (0.71–1.04) |
Married | 1419 | 19.2 | ref. | ref. |
Type of living area | ||||
Cities | 2071 | 13.0 | ||
Towns and suburbs | 2340 | 13.8 | 1.07 (0.90–1.27) | 1.02 (0.84–1.22) |
Rural areas | 1062 | 13.7 | 1.07 (0.86–1.33) | 0.96 (0.76–1.22) |
Income from work | ||||
No | 1310 | 3.7 | 0.20 (0.15–0.26) | 0.23 (0.17–0.31) |
Yes | 4163 | 16.5 | ref. | ref. |
Type of road user | ||||
Pedestrians | 696 | 11.2 | ref. | ref. |
Bicyclists | 1859 | 12.1 | 1.09 (0.83–1.43) | 0.93 (0.70–1.24) |
Car occupants | 1154 | 17.5 | 1.68 (1.27–2.26) | 1.79 (1.33–2.41) |
Other road users | 1764 | 13.2 | 1.20 (0.91–1.58) | 1.18 (0.88–1.57) |
Inpatient health care | ||||
No | 3779 | 10.0 | ref. | ref. |
Yes | 1694 | 21.3 | 2.44 (2.08–2.85) | 2.62 (2.21–3.09) |