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Table 1 Descriptive statistics of the main variables (N = 3940)

From: Occupational status, working conditions, and health: evidence from the 2012 China Labor Force Dynamics Survey

Variable Mean/proportion Standard deviation
Dependent variable
 Self-assessed health as “good” 66%
 Work-related injury 8%
 Occupational disease 14%
Independent variable
 ISEI 42.01 15. 23
 Type of work unit (state-owned/collective) 38%
 Overtime work (hours/month) 11.82 26.97
 Exposure to harmful factors at the workplace 44%
 Take protective measures against harmful factors 29%
 Manual job demand -0.01 0.99
 Cognitive job demand 0.02 1.00
 Job control 0.00 1.00
 Occupational medical insurance 48%
 Perceived job reward 0.00 1.00
Control variable
 Age 38.72 11.06
 Gender (Female) 43%
 Hukou (non-agricultural) 46%
 Years of education 10.19 4.43
 Annual income (10,000 Yuan) 3.00 2.82
 Smoking 33%
 Alcohol drinking 33%