Time of employment2-151 | Electrician | Lineman | Power plant operator | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cases | Controls | OR (95% CI) | Cases | Controls | OR (95% CI) | Cases | Controls | OR (95% CI) | |||
Past year: | |||||||||||
No | 520 | 5235 | 1.00 | 509 | 5051 | 1.00 | 528 | 5176 | 1.00 | ||
Yes | 16 | 113 | 2.18 (1.25 to 3.80) | 27 | 297 | 0.98 (0.63 to 1.54) | 8 | 172 | 0.67 (0.33 to 1.40) | ||
Past 1–5 y: | |||||||||||
No | 514 | 5186 | 1.00 | 485 | 4955 | 1.00 | 522 | 5102 | 1.00 | ||
Yes | 22 | 162 | 1.84 (1.15 to 2.94) | 51 | 393 | 1.43 (1.01 to 2.05) | 14 | 246 | 0.71 (0.41 to 1.25) | ||
Career: | |||||||||||
No | 509 | 5148 | 1.00 | 441 | 4731 | 1.00 | 516 | 5022 | 1.00 | ||
Yes | 27 | 200 | 1.59 (1.04 to 2.45) | 95 | 617 | 1.59 (1.18 to 2.14) | 20 | 326 | 0.69 (0.43 to 1.11) |