| Complete case analysis (N=33 427 jobs for 13 427 employees) | Multiple imputation (N=191 692 jobs for 81 301 employees) | ||
---|---|---|---|---|
 | HR (95% CI) | P-value | HR (95% CI) | P-value |
0-19 Months (inexperienced period) | 1.41 (1.35, 1.47) | <.001 | 1.33 (1.29, 1.36) | <.001 |
Male gender | 0.62 (0.57, 0.68) | <.001 | 0.71 (0.68, 0.73) | <.001 |
Non-White | 1.08 (0.99, 1.17) | 0.070 | 0.97 (0.93, 1.00) | 0.067 |
First job at company | 0.88 (0.79, 0.98) | 0.017 | 0.90 (0.88, 0.93) | <.001 |
Age at start of job | 0.98 (0.98, 0.99) | <.001 | 0.99 (0.98, 0.99) | <.001 |
Physical demand | 1.25 (1.21, 1.29) | <.001 | 1.26 (1.24, 1.29) | <.001 |
Smelter plant | 1.24 (1.17, 1.32) | <.001 | 1.30 (1.24, 1.36) | <.001 |
Union plant | 1.16 (1.04, 1.28) | 0.006 | 1.30 (1.23, 1.38) | <.001 |
Original plant | 1.01 (0.83, 1.22) | 0.942 | 1.57 (1.50, 1.65) | <.001 |