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Table 4 Multivariate logistic regression analyses showing association of individual and work-related factors with mental health status of workers in SMEs (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 Poor psychological well-being (0 ~ 13 = 1/14 ~ 25 = 0)
OR (95 %CI)
Individual characteristics  
Age (years) 0.74 (0.61 ~ 0.89)**
Gender  
 Men (reference)  
 Women 0.61 (0.46 ~ 0.82)**
Marital status  
 Married/co-habiting (reference)  
 Single 0.77 (0.54 ~ 1.11)
 Divorced 1.18 (0.28 ~ 5.09)
Household registration  
 Permanent resident workers (reference)  
 Migrant workers 1.36 (1.01-1.85)*
Physical work conditions  
Employment contract  
 Yes (reference)  
 No 1.04 (0.62-1.73)
Shift work  
 No (reference)  
 Yes 0.86 (0.63-1.17)
Work hours per week 1.30 (1.13-1.50)***
Extent of exposure to hazardous environment 1.26 (1.10-1.44)***
Psychosocial work conditions  
Job demands 1.29 (1.12-1.49)**
Job autonomy 0.70 (0.60-0.81)***
Worksite support 0.97 (0.85-1.11)
  1. *P < 0.05, **P < 0.01, ***P < 0.001.
  2. Adjusting for individual characters (gender, age, marital status, and household registration) significant in bivariate analyses at P < 0.05.