Comparison of risk estimates of occupational asthma for high v low risk exposures, according to the stages of verification of job codes
|
Cases/controls3-150
(n) |
Cases/controls (% high risk) | OR (95% CI) | |
| n (total) | 173 / 285 | ||
| JEM applied to original job codes | 172 / 282 | 17.4 / 16.7 | 1.0 (0.6 to 1.7) |
| JEM applied to jobs after recoding by experienced occupational coder | 172 / 285 | 19.2 / 14.4 | 1.4 (0.8 to 2.3) |
| JEM applied to jobs after recoding as above, and after further correction of coding errors detected during re-evaluation step | 172 / 285 | 23.3 / 16.8 | 1.5 (0.9 to 2.4) |
| JEM applied to corrected job codes as above, plus revisions of assignments to risk group based on review of job title and industry text information | 172 / 285 | 24.4 / 16.1 | 1.7 (1.1 to 2.7) |
↵3-150 After recoding it was possible to code the job titles for three additional controls; for one case, it remained impossible to code the job title.