Table 4. Combinations of individual psychosocial hazards and metabolic syndrome for predicting CVD (n = 707).

					Univariate Analysis				Multivariate Analysis a.
Combinations	LWH	HJS	HF	MetS	HR	95%CI		p-value	HR	95%CI		p-value
1	-	-	-	-	Reference				Reference
2	+	-	-	-	2.95	0.49	17.66	0.237	2.38	0.39	14.66	0.349
3	-	+		-	1.38	0.33	5.78	0.662	1.22	0.29	5.20	0.788
4	-	-	+	-	1.74	0.29	10.49	0.544	1.99	0.33	12.15	0.458
5	+	+		-	0.61	0.06	5.83	0.664	0.66	0.07	6.42	0.721
6	-	+	+	-	2.27	0.60	8.63	0.227	2.31	0.60	8.91	0.223
7	+		+	-	6.75	0.70	65.09	0.099	6.94	0.69	69.77	0.100
8	+	+	+	-	2.58	0.69	9.62	0.158	2.46	0.64	9.43	0.190
9	+	-	-	+	2.53	0.26	24.37	0.422	2.19	0.23	21.38	0.499
10	-	+	-	+	3.45	0.95	12.60	0.061	2.62	0.69	9.95	0.158
11	-	-	+	+	3.56	0.59	21.33	0.165	2.97	0.48	18.28	0.241
12	+	+	-	+	4.46	1.15	17.29	0.031	3.24	0.80	13.14	0.100
13	-	+	+	+	1.48	0.35	6.20	0.595	1.30	0.30	5.60	0.723
14	+	-	+	+	12.01	2.39	60.43	0.003	10.91	2.11	56.30	0.004
15	+	+	+	+	4.76	1.39	16.34	0.013	3.72	1.02	13.56	0.046

LWH, long working hours; HJS, high job stress; HF, high fatigue; MetS, metabolic syndrome

^a. Adjusted for age, BMI, education, drinking, smoking, and exercise.