Table 4.

The adjusted associations for night shifts (n = 20) and swing shifts (n = 16), with day shift as reference (n = 25), for the course of recovery during the first 14 days of a free period for six recovery items

	Sleep quality∗			Feeling rested†			Physical tiredness‡			Mental tiredness§			Energy for family and home‖			Energy for own activities¶
exp(β)	95% CI	p	exp(β)	95% CI	p	exp(β)	95% CI	p	exp(β)	95% CI	p	exp(β)	95% CI	p	exp(β)	95% CI	p
Shifts
Day	1.00	—		1.00	—		1.00	—		1.00	—		1.00	—		1.00	—
Night	1.41	1.05–1.89	0.021‖	1.67	0.74–3.80	0.218	1.42	0.91–2.22	0.121	1.44	0.85–2.43	0.179	1.65	0.58–4.74	0.350	1.24	0.70–2.20	0.455
Swing shift	1.42	1.03–1.94	0.031	1.56	0.67–3.62	0.298	1.52	0.94–2.46	0.086	1.01	0.52–1.93	0.986	0.90	0.23–3.53	0.876	1.73	0.90–3.34	0.102
Days	0.91	0.85–0.98	0.008	1.06	0.93–1.20	0.373	1.22	1.01–1.48	0.044	1.18	1.03–1.35	0.021	0.94	0.84–1.04	0.225	0.98	0.95–1.01	0.122
Shifts × days
Day shift × days	1.00	—		1.00	—		1.00	—		1.00	—		1.00	—		1.00	—‖
Night shift × days	0.99	0.96–1.03	0.766	0.98	0.93–1.02	0.278	0.98	0.92–1.04	0.494	0.96	0.92–1.01	0.125	0.97	0.94–1.01	0.149	0.99	0.94–1.04	0.647
Swing shift × days	1.03	0.98–1.09	0.217	0.98	0.94–1.02	0.350	0.95	0.89–1.01	0.089	0.96	0.92–1.01	0.086	0.99	0.95–1.03	0.615	0.96	0.92–1.01	0.119

CI, confidence interval.

^∗Adjusted for job control and job control × days, overtime and overtime × days, and age of the children living at home.

^†Adjusted for level of education and level of education × days, job demands and job demands × days, job control, overtime, and age of the children living at home.

^‡Adjusted for level of education and level of education × days, job demands and job demands × days, and overtime and overtime × days.

^§Adjusted for job demands and job demands × days, and overtime and overtime × days.

^‖Adjusted for age, job demands and job demands × days, overtime and overtime × days, and age of the children living at home.

^¶Not adjusted, no confounders identified.