Table 2.

Multivariate logistic regression analysis

	B	Std.Error	t	P	OR(95% CI)
Frequency of hospitalization	0.007	0.002	2.945	0.003	1.007(1.002,1.011)
Working condition
Unemployment	0.347	0.164	2.117	0.035	1.415(1.026,1.950)
Per capita monthly household income 1500–2900¥	0.106	0.049	2.142	0.033	1.112(1.009,1.225)
Comorbidity
Greater or equal to 4 kinds of diseases	0.084	0.041	2.055	0.040	1.088(1.004,1.178)
PSS-Fa	-0.013	0.005	-2.880	0.004	0.987(0.978,0.996)
PHQ-8	0.021	0.002	8.582	0.000	1.022(1.017,1.027)
AIS	0.005	0.002	2.409	0.016	1.005(1.001,1.009)