Variables | Model 1a | Model 2a | Model 3a | Model 4a | Model 5a | Model 6a | Model 7a |
---|---|---|---|---|---|---|---|
Age | − 0.050∗ | − 0.045∗ | − 0.048∗ | − 0.046∗ | − 0.043∗ | − 0.037+ | − 0.036+ |
Age squared/100 | 0.011 | 0.007 | 0.016 | 0.010 | 0.010 | − 0.003 | − 0.007 |
Female | − 0.215∗∗ | − 0.219∗∗ | − 0.039 | − 0.080 | − 0.071 | − 0.072 | − 0.105 |
ISEI | 0.006∗∗ | 0.012∗∗ | 0.008∗ | 0.005 | 0.006 | 0.005 | 0.003 |
State-owned/collective unit | 0.295 | 0.272 | 0.176 | 0.240 | 0.293 | 0.203 | |
State-owned/collective unit * ISEI | − 0.009+ | − 0.008+ | − 0.006 | − 0.007 | − 0.009+ | − 0.007 | |
Non-agricultural hukou | − 0.260∗∗ | − 0.278∗∗ | − 0.260∗∗ | − 0.268∗∗ | − 0.286∗∗ | ||
Alcohol drinking | 0.094 | 0.094 | 0.090 | 0.106 | 0.105 | ||
Smoking | 0.056 | 0.069 | 0.060 | 0.061 | 0.073 | ||
Years of education | 0.023∗ | 0.022+ | 0.021+ | 0.018 | 0.018 | ||
Income (logarithmic) | 0.303∗∗∗ | 0.319∗∗∗ | 0.285∗∗∗ | 0.213∗∗ | 0.226∗∗ | ||
Overtime working hours | − 0.003∗ | − 0.003∗ | |||||
Working environment (reference group: No exposure to occupational hazards) | |||||||
Contact but protected | − 0.228∗ | − 0.136 | |||||
Contact but NOT protected | − 0.309∗∗∗ | − 0.226∗∗ | |||||
Manual job demand | − 0.082∗ | − 0.007 | |||||
Cognitive job demand | − 0.008 | − 0.020 | |||||
Job control | 0.066+ | 0.028 | |||||
Occupational medical insurance | 0.092 | 0.114 | |||||
Perceived job reward | 0.328∗∗∗ | 0.305∗∗∗ | |||||
Intercept | 2.273∗∗∗ | 1.967∗∗∗ | 1.494∗∗∗ | 1.778∗∗∗ | 1.550∗∗∗ | 1.642∗∗∗ | 1.839∗∗∗ |
Log likelihood (df) | − 2437.8 (4) | − 2435.7 (6) | − 2421.7 (11) | − 2410.0 (14) | − 2417.2 (14) | − 2380.6 (13) | − 2373.7 (19) |