Table 2.

Association between high-sensitivity C-reactive protein (hsCRP) level and working condition on the logistic regression analyses. All models are adjusted for age, educational level, income level, smoking, alcohol consumption, and metabolic syndrome. Numbers in bold indicate statistical significance. [OR=odds ratio; 95% CI=95% confidence interval]

	N	hsCRP ≥1.0 mg/L	hsCRP >3.0 mg/L
		OR (95% CI)	OR (95% CI)
Total participants	7470
Shift work
No	6205	1.00 (Reference)	1.00 (Reference)
Yes	1265	0.99 (0.86–1.15)	0.91 (0.70–1.17)
Long work hours
No	6314	1.00 (Reference)	1.00 (Reference)
Yes	1156	1.18 (1.03–1.37)	1.15 (0.90–1.47)
Men	3774
Shift work
No	3145	1.00 (Reference)	1.00 (Reference)
Yes	629	0.91 (0.74–1.11)	0.92 (0.65–1.30)
Long work hours
No	2944	1.00 (Reference)	1.00 (Reference)
Yes	830	1.21 (1.02–1.44)	1.33 (1.01–1.76)
Women	3696
Shift work
No	3060	1.00 (Reference)	1.00 (Reference)
Yes	636	1.10 (0.70–1.36)	0.88 (0.59–1.29)
Long work hours
No	3370	1.00 (Reference)	1.00 (Reference)
Yes	326	0.99 (0.74–1.32)	0.63 (0.35–1.12)
Men (20–39 years)	1631
Shift work
No	1341	1.00 (Reference)	1.00 (Reference)
Yes	290	0.92 (0.67–1.25)	1.08 (0.65-1.81)
Long work hours
No	1275	1.00 (Reference)	1.00 (Reference)
Yes	356	0.84 (0.63–1.11)	0.94 (0.59–1.52)
Women (20–39 years)	1545
Shift work
No	1297	1.00 (Reference)	1.00 (Reference)
Yes	248	1.10 (0.76–1.59)	0.64 (0.33–1.23)
Long work hours
No	1432	1.00 (Reference)	1.00 (Reference)
Yes	113	1.28 (0.78–2.09)	0.44 (0.15–1.28)
Men (40–59 years)	2143
Shift work
No	1804	1.00 (Reference)	1.00 (Reference)
Yes	339	0.89 (0.68–1.17)	0.78 (0.49–1.26)
Long work hours
No	1669	1.00 (Reference)	1.00 (Reference)
Yes	474	1.50 (1.20–1.87)	1.62 (1.14–2.30)
Women (40–59 years)	2151
Shift work
No	1763	1.00 (Reference)	1.00 (Reference)
Yes	388	1.14 (0.87–1.50)	1.11 (0.68–1.83)
Long work hours
No	1938	1.00 (Reference)	1.00 (Reference)
Yes	213	0.90 (0.63–1.29)	0.78 (0.38–1.59)