Effects of Occupational Hazards on Job Stress and Mental Health of Factory Workers and Miners: A Propensity Score Analysis

Table 5

Comparison of propensity score matching for mental health.

Variable	(95% CI)	Beta	Standard	OR (95% CI)	VIF		value
Before matching (, , )
Intercept	-1.97 (-2.81, -1.13)	0.43	—	0.14 (0.06, 0.32)	—	-4.58	<0.001
Sex	-0.02 (-0.15, 0.10)	0.06	-0.02	0.98 (0.86, 1.10)	1.2	-0.39	0.69
Ethnicity	0.01 (-0.14, 0.15)	0.07	0.01	1.01 (0.87, 1.16)	1.04	0.1	0.92
Education level	0.30 (0.23, 0.37)	0.03	0.57	1.35 (1.26, 1.44)	1.19	8.88	<0.001
Labor contracts	-0.71 (-1.10, -0.32)	0.20	-0.27	0.49 (0.33, 0.73)	1.05	-3.53	<0.001
Professional title	0.05 (0.00, 0.10)	0.03	0.11	1.05 (1.00, 1.10)	1.09	1.89	0.06
Work schedule	0.20 (0.15, 0.25)	0.03	0.48	1.22 (1.16, 1.29)	1.16	7.91	<0.001
Marital status	0.06 (-0.08, 0.19)	0.07	0.05	1.06 (0.93, 1.21)	1.26	0.83	0.4
Monthly income	-0.15 (-0.20, -0.11)	0.02	-0.41	0.86 (0.82, 0.90)	1.16	-6.49	<0.001
Diabetes	-0.14 (-0.37, 0.09)	0.12	-0.07	0.87 (0.69, 1.09)	1.05	-1.21	0.23
Hypertension	0.59 (0.45, 0.73)	0.07	0.49	1.80 (1.57, 2.08)	1.14	8.33	<0.001
Age	0.05 (-0.01, 0.11)	0.03	0.17	1.05 (0.99, 1.12)	3.15	1.59	0.11
Working years	0.13 (0.08, 0.17)	0.02	0.57	1.14 (1.09, 1.19)	3.01	5.68	<0.001
Working hours per day	0.19 (0.03, 0.35)	0.08	0.14	1.21 (1.03, 1.41)	1.22	2.29	0.02
Working days per week	0.10 (-0.01, 0.22)	0.06	0.1	1.11 (0.99, 1.25)	1.08	1.73	0.08
After matching (, , )
Intercept	-0.47 (-1.49, 0.54)	0.52	—	0.63 (0.23, 1.72)	—	-0.92	0.36
Sex	0.00 (-0.14, 0.14)	0.07	0	1.00 (0.87, 1.15)	1.21	0.04	0.97
Ethnicity	0.07 (-0.09, 0.23)	0.08	0.05	1.07 (0.91, 1.25)	1.05	0.83	0.4
Education level	-0.01 (-0.08, 0.07)	0.04	-0.01	0.99 (0.92, 1.07)	1.21	-0.18	0.86
Labor contracts	0.38 (-0.18, 0.94)	0.28	0.08	1.46 (0.84, 2.56)	1.04	1.34	0.18
Professional title	0.01 (-0.04, 0.07)	0.03	0.03	1.01 (0.96, 1.07)	1.08	0.47	0.64
Work schedule	0.01 (-0.05, 0.07)	0.03	0.02	1.01 (0.96, 1.07)	1.18	0.36	0.72
Marital status	0.04 (-0.10, 0.19)	0.07	0.04	1.04 (0.90, 1.21)	1.23	0.59	0.56
Monthly income	-0.02 (-0.07, 0.04)	0.03	-0.04	0.98 (0.93, 1.04)	1.15	-0.56	0.57
Diabetes	-0.01 (-0.26, 0.23)	0.13	-0.01	0.99 (0.77, 1.26)	1.05	-0.11	0.91
Hypertension	0.09 (-0.06, 0.24)	0.08	0.07	1.09 (0.94, 1.27)	1.13	1.13	0.26
Age	0.01 (-0.06, 0.08)	0.04	0.02	1.01 (0.94, 1.08)	3.17	0.16	0.88
Working years	-0.02 (-0.07, 0.03)	0.03	-0.08	0.98 (0.93, 1.03)	3.07	-0.75	0.46
Working hours per day	0.02 (-0.15, 0.20)	0.09	0.02	1.02 (0.86, 1.22)	1.23	0.28	0.78
Working days per week	-0.02 (-0.15, 0.11)	0.07	-0.02	0.98 (0.86, 1.12)	1.07	-0.28	0.78