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Table 2 Individual and work-related characteristics and mental health of the study population ( N= 1200)

From: Mental health status and work environment among workers in small- and medium-sized enterprises in Guangdong, China-a cross-sectional survey

       Variables N(%)
Individual characteristics  
Age (years) (Mean ± SD) 31.1 ± 9.4
Gender  
 Men 653(54.4)
 Women 547(45.6)
Marital status  
 Married or co-habiting 727(60.5)
 Single 464(38.7)
 Divorced 9(0.8)
Education level  
 Primary school or lower 79(6.6)
 Junior high school 587(48.7)
 Senior high school 443(37.1)
 College or higher 91(7.6)
Individual monthly income (yuan) (Mean ± SD) 2431 ± 937
Household registration  
 Permanent resident workers 293(24.3)
 Migrant workers 907(75.7)
Physical work conditions  
Employment contract  
 Yes 1114(92.8)
 No 86(7.2)
Shift work schedule  
 Yes 466(39.1)
 No 734(60.9)
Work hours per week (hours) (Mean ± SD) 55.4 ± 8.1
Extent of exposure to hazardous environment (Mean ± SD) 5.5 ± 2.4
Psychosocial work conditions  
Job demands (Mean ± SD) 4.4 ± 1.5
Job autonomy (Mean ± SD) 10.5 ± 2.3
Worksite support (Mean ± SD) 7.5 ± 1.1
Mental health  
Psychological well-being  
 0 ~ 13 424(35.3)
 14 ~ 25 776(64.7)