Table 3. Multiple linear regression analysis for presenteeism, mental-health status, work-related stress, and health-promoting lifestyles.

	WLQ-C
	Coeff	Std Coeff	Significance	95% CI of B
	(B)	(β)	(p)	Lower	Upper
Independent variables
CES-D	0.18	0.47	<0.001	0.14	0.21
Work-related stress	0.29	0.18	<0.001	0.16	0.42
Residence in Japan (yr)	−0.33	−0.11	0.013	−0.59	−0.07
Status of residence (Permanent resident/Spouse of Japanese national: 0, Student: 1)	1.31	0.13	0.002	0.48	2.15
Marital status (Single: 0, Widowed/ Divorced: 1)	−1.9	−0.09	0.034	−3.67	−0.14
HPLP-IIR	−0.02	−0.12	0.006	−0.04	−0.01
R2: 0.50
	CES-D
	Coeff	Std Coeff	Significance	95% CI of B
	(B)	(β)	(p)	Lower	Upper
Independent variables
Work-related stress	1.61	0.43	<0.001	1.25	1.97
HPLP-IIR	−0.14	-0.29	<0.001	−0.19	−0.1
Occupation (Manufacturing: 0, Service: 1)	3.99	0.17	<0.001	1.87	6.11
Status of residence (Permanent resident/Spouse of Japanese national: 0, Dependent: 1)	4.11	0.1	0.28	0.44	7.78
Male: 0, female: 1	3.73	0.16	<0.001	1.67	5.81
R2: 0.37
	Work-related stress
	Coeff	Std Coeff	Significance	95% CI of B
	(B)	(β)	(p)	Lower	Upper
Independent variables
HPLP-IIR	−0.03	−0.25	<0.001	−0.05	−0.02
Marital status (Single: 0, Married: 1)	−1.37	−0.23	<0.001	−1.99	−0.75
Disease being treated (No: 0, Yes: 1)	1.87	0.16	0.003	0.63	3.11
R2: 0.15
	HPLP-IIR
	Coeff	Std Coeff	Significance	95% CI of B
	(B)	(β)	(p)	Lower	Upper
Independent variables
Health education provided in the workplace (No: 0, Yes: 1)	9.69	0.21	<0.001	4.7	14.69
Japanese proficiency	5.31	0.21	<0.001	2.55	8.06
R2: 0.09

CI: confidence interval; Coeff: coeffcient; Std Coeff: standard coefficient; R²: coefficient of determination; WLQ-C: Work Limitations Questionnaire-Chinese version; CES-D: Center for Epidemiological Studies-Depression scale; HPLP-IIR: Health-Promoting Lifestyle Profile II.