Table 5

Multivariate odds ratios (OR) and 95% confidence intervals (95% CI) of individual characteristics, lifestyle-related and health factors, and work demands for sick leave categories among workers with sick leave in 49 companies (n=5975)

	Sick leave (10–24 days)^†		Sick leave (25+ days)^†
	(n=921)		(n=797)
	OR	95% CI	OR	95% CI
Individual characteristics
Female gender	1.03	0.88 to 1.21	1.37*	1.14 to 1.62
Age <30 years	1.00		1.00
Age 30–39 years	1.11	0.83 to 1.48	1.56*	1.11 to 2.20
Age 40–49 years	1.20	0.91 to 1.59	1.66*	1.19 to 2.32
Age 50+ years	1.34*	1.01 to 1.79	1.97*	1.41 to 2.75
Lifestyle factors
BMI <25 kg/m²	1.00		1.00
BMI 25–30 kg/m²	1.23*	1.05 to 1.45	1.12	0.94 to 1.34
BMI ≥30 kg/m²	1.66*	1.33 to 2.07	1.55*	1.22 to 1.95
Insufficient physical activity	1.10	0.95 to 1.28	1.03	0.87 to 1.21
Insufficient fruit and vegetable intake	0.97	0.83 to 1.15	0.97	0.81 to 1.15
Smoking	1.30*	1.10 to 1.53	1.17	0.98 to 1.40
Alcohol >10 glasses/week	0.90	0.73 to 1.09	0.70*	0.55 to 0.89
Health factors
No disease	1.00		1.00
Presence of 1 disease	1.72*	1.33 to 2.23	2.78*	2.00 to 3.88
Presence of 2 or more diseases	2.97*	2.37 to 3.74	5.74*	4.23 to 7.78
Work-related factors
Physically demanding job	1.60*	1.38 to 1.86	1.93*	1.64 to 2.26

*p<0.05.
↵† Reference category: 1–9 days sick leave.
BMI, body mass index.