TABLE 4.
Moderation analyses: Hazard ratios (95% CI) for sickness absence (≥10 d) due to mental disorder by levels of control over daily hours and control over time off at baseline (adjusted results; significance level after Bonferroni correction at 0.006)
| Moderator variable | Control over daily hours | Control over time off | ||||
|---|---|---|---|---|---|---|
| P‐value interaction term | Moderate vs low | High vs low | P‐value interaction term | Moderate vs low | High vs low | |
| HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | |||
| Sex | .189 | .609 | ||||
| Women | 1.08 (0.96‐1.21) | 1.11 (0.98‐1.25) | 1.07 (0.96‐1.10) | 0.97 (0.86‐1.10) | ||
| Men | 1.08 (0.83‐1.42) | 0.78 (0.59‐1.03) | 0.97 (0.74‐1.26) | 0.85 (0.65‐1.11) | ||
| Age | .538 | .045 | ||||
| Up to 39 y | 1.04 (0.84‐1.28) | 1.19 (0.96‐1.47) | 1.21 (0.99‐1.49) | 0.93 (0.75‐1.16) | ||
| 40‐49 y | 1.16 (0.98‐1.38) | 1.07 (0.90‐1.28) | 1.12 (0.94‐1.32) | 0.98 (0.82‐1.17) | ||
| 50 y and above | 1.03 (0.86‐1.23) | 0.96 (0.79‐1.16) | 0.88 (0.74‐1.05) | 0.93 (0.78‐1.12) | ||
| Education | .588 | .724 | ||||
| Elementary school | 0.89 (0.70‐1.14) | 0.97 (0.74‐1.27) | 0.91 (0.71‐1.16) | 0.81 (0.61‐1.07) | ||
| Middle/primary school | 1.15 (0.97‐1.37) | 1.05 (0.87‐1.27) | 1.04 (0.87‐1.25) | 0.95 (0.78‐1.15) | ||
| Secondary school | 1.20 (0.98‐1.47) | 1.13 (0.97‐1.40) | 1.05 (0.85‐1.29) | 0.98 (0.79‐1.22) | ||
| 1.00 (0.75‐1.33) | 1.07 (0.81‐1.40) | 1.26 (0.99‐1.60) | 0.98 (0.78‐1.23) | |||
| Occupational class | .855 | .713 | ||||
| White collar | 1.09 (0.97‐1.23) | 1.06 (0.94‐1.20) | 1.05 (0.93‐1.17) | 0.94 (0.84‐1.06) | ||
| Blue collar | 1.06 (0.81‐1.38) | 1.12 (0.80‐1.55) | 1.07 (0.81‐1.42) | 1.01 (0.74‐1.38) | ||
| Physical workload | .045 | .452 | ||||
| Low | 1.05 (0.90‐1.29) | 1.11 (0.96‐1.29) | 1.03 (0.90‐1.19) | 0.90 (0.78‐1.03) | ||
| Highlow | 1.14 (0.98‐1.32) | 0.88 (0.72‐1.068 | 1.08 (0.92‐1.26) | 1.01 (0.85‐1.21) | ||
| Self‐reported musculoskeletal disorders | .202 | .011 | ||||
| No | 1.11 (0.97‐1.28) | 1.04 (0.90‐1.20) | 1.14 (0.93‐1.24) | 1.07 (0.93‐1.24) | ||
| Yes | 1.09 (0.90‐1.30) | 1.19 (0.99‐1.43) | 0.85 (0.71‐1.01) | 0.78 (0.65‐0.94)** | ||
| Mental workload | .588 | .588 | ||||
| Very or quite light | 0.92 (0.69‐1.23) | 0.92 (0.69‐1.23) | 1.13 (0.82‐1.56) | 1.16 (0.84‐1.60) | ||
| Quite heavy | 1.13 (0.97‐1.30) | 1.19 (1.02‐1.37) | 1.06 (0.92‐1.22) | 0.91 (0.78‐1.05) | ||
| Very heavy | 1.09 (0.90‐1.32) | 0.93 (0.77‐1.14) | 1.04 (0.87‐1.26) | 0.98 (0.81‐1.18) | ||
| Self‐reported mental disorders | .142 | .053 | ||||
| No | 1.02 (0.88‐1.18) | 1.08 (0.94‐1.26) | 1.12 (0.97‐1.31) | 1.04 (0.90‐1.21) | ||
| Yes | 1.26 (1.06‐1.49) | 1.07 (0.90‐1.28) | 0.89 (0.76‐1.06) | 0.92 (0.78‐1.09) | ||