Table 2.

Association of scheduled shift length and overall sickness absence, short‐term and long‐term sickness absence

	Overall sickness absence		Long term sickness absence (≥7 days)		Short term sickness absence (<7 days)
Scheduled shift length	OR	95% CI	OR	95% CI	OR	95% CI
≤8 hr shift (reference category)
>8–<12 hr	1.03	0.95–1.12	1.27*	1.11–1.46	0.92	0.83–1.01
≥12 hr	1.24*	1.16–1.31	1.37*	1.23–1.53	1.18*	1.10–1.26

Generalized linear mixed model; random effect: Staff ID.

*Statistically significant at p <.05.