From: Cumulative exposure to shift work and sickness absence: associations in a five-year historic cohort
Crude model | Semi-adjusted model | Fully adjusted model | ||
---|---|---|---|---|
Long-term sickness absence (>7 days) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Shift schedule type 2005–2008 | Day work | Reference | Reference | Reference |
Three-shift schedule | 1.88 (1.63–2.17) | 1.43 (1.22–1.69) | 1.13 (0.94–1.35) | |
Two-shift schedule | 1.76 (1.50–2.06) | 1.40 (1.17–1.68) | 1.08 (0.89–1.31) | |
Transfer out of three-shift | 1.23 (0.97–1.54) | 1.06 (0.82–1.37) | 0.90 (0.69–1.17) | |
Transfer into three-shift | 2.49 (2.03–3.06) | 1.84 (1.46–2.32) | 1.31 (1.02–1.69) | |
Other kind of transfer | 1.59 (1.30–1.94) | 1.33 (1.06–1.67) | 1.06 (0.84–1.35) | |
Sickness absence days 2005–2008 | ≥0 to <26 days | Reference | Reference | |
≥26 to <67 days | 3.06 (2.58–3.62) | 2.99 (2.52–3.55) | ||
≥67 to <140 days | 8.10 (6.80–9.66) | 7.45 (6.23–8.90) | ||
≥140 days | 12.53 (10.48–14.99) | 11.28 (9.40–13.53) | ||
Special operational requirements | 1.00 (0.99–1.02) | |||
Knowledge requirements | 0.98 (0.97–0.98) | |||
Aggravated working conditions | ≤4 | Reference | ||
>4 to ≤11 | 1.14 (0.94–1.37) | |||
>11 to ≤15 | 1.14 (0.92–1.40) | |||
>15 | 1.21 (0.94–1.55) | |||
Sickness absence episodes | IRR (95% CI) | IRR (95% CI) | IRR (95% CI) | |
Shift schedule type 2005–2008 | Day work | Reference | Reference | Reference |
Three-shift schedule | 0.95 (0.89–1.01) | 0.82 (0.77–0.87) | 0.82 (0.76–0.88) | |
Two-shift schedule | 0.95 (0.89–1.02) | 0.84 (0.78–0.90) | 0.83 (0.77–0.90) | |
Transfer out of three-shift | 0.93 (0.84–1.02) | 0.83 (0.75–0.91) | 0.83 (0.75–0.92) | |
Transfer into three-shift | 1.05 (0.96–1.14) | 0.87 (0.79–0.94) | 0.89 (0.81–0.98) | |
Other kind of transfer | 0.97 (0.89–1.06) | 0.82 (0.75–0.89) | 0.83 (0.76–0.91) | |
Sickness Absence days 2005–2008 | ≥0 to <26 days | Reference | Reference | |
≥26 to <67 days | 2.20 (2.06–2.35) | 2.22 (2.08–2.37) | ||
≥67 to <140 days | 3.18 (2.97–3.40) | 3.22 (3.01–3.44) | ||
≥140 days | 3.51 (3.28–3.75) | 3.57 (3.34–3.82) | ||
Special operational requirements | 1.01 (1.00–1.02) | |||
Knowledge requirements | 1.00 (1.00–1.00) | |||
Aggravated working conditions | ≤4 | Reference | ||
>4 to ≤11 | 1.03 (0.96–1.10) | |||
>11 to ≤15 | 1.03 (0.95–1.12) | |||
>15 | 0.86 (0.78–0.94) |