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Table 3 Working hours and sickness absence—Fixed effects analysis

From: Long working hours and sickness absence—a fixed effects design

  Short sickness absence (1–8 days) Long sickness absence (9–183 days) Extra-long sickness absence (>  183 days)
  OR 95% CI OR 95% CI OR 95% CI
Long Working hours (> 48 h per week) 0.77 (0.66–0.90) ** 0.88 (0.62–1.26) ns 0.81 (0.45–1.45) ns
Semi-long working hours (40–48 h per week) 0.98 (0.92–1.05) ns 0.93 (0.79–1.10) ns 0.92 (0.69–1.22) ns
Salary 1.00 (1.00–1.00) ns 1.00 (1.00–1.00) ns 1.00 (1.00–1.00) ns
Temporary contract 0.67 (0.58–0.78) *** 0.46 (0.29–0.71) ** 0.61 (0.31–1.19) ns
Multiple job holder 0.77 (0.55–1.08) ns 1.54 (0.58–4.07) ns 2.09 (0.52–8.47) ns
On-call shifts 0.94 (0.80–1.11) ns 0.85 (0.56–1.31) ns 1.02 (0.54–1.93) ns
January to March 1.11 (1.03–1.19) ** 01.38 (1.14–1.67) ** 1.55 (1.12–2.14) **
April to June 0.74 (0.69–0.80) *** 0.97 (0.79–1.20) ns 1.19 (0.84–1.68) ns
July to September 0.57 (0.52–0.61) *** 0.92 (0.76–1.13) ns 0.87 (0.61–1.24) ns
  1. Logistic regression. Fixed effects analyses; employee-months nested within employees
  2. N short absence: 3662 (40,513 observations); employees followed 2–32 months (11 on average) N long absence: 838 (9434); employees followed 2–27 months (11 on average) N extra-long absence: 320 (3629); employees followed 2–26 months (11 on average)
  3. ** p > 0.01;*** p > 0.001