Table 4.
Relationships between endometriosis case status and occupation, and case status and occupational duration, for health workers.
| Ever Worked Job, Duration Worked1 | Cases N (%) | Controls N (%) | Adjusted OR (95% CI) |
|---|---|---|---|
| Never worked a health-related job | 255 (81.5) | 620 (85.3) | 1.00 (Reference) |
| Physicians2 | 2 (0.6) | 1 (0.1) | 7.80 (0.62, 97.83)3 |
| Registered and licensed practical nurses | 20 (7.3) | 28 (4.3) | 1.72 (0.93, 3.19)3 |
| For 5 or fewer years | 6 | 6 | 3.23 (0.95, 11.06)4 |
| For more than 5 years | 14 | 22 | 1.45 (0.71, 2.98)4 |
| Nursing and health aides | 35 (12.1) | 64 (9.4) | 1.57 (0.99, 2.47)3 |
| For 5 or fewer years | 26 | 53 | 1.42 (0.85, 2.36)4 |
| For more than 5 years | 11 | 9 | 2.18 (0.85, 5.54)4 |
| Radiologic technicians5 | 1 (0.4) | 3 (0.5) | 0.81 (0.08, 8.05)3 |
| Other health workers5 | 14 (5.2) | 28 (4.3) | 1.31 (0.66, 2.62)3 |
OR: odds ratio; CI: confidence interval.
2
No participant held this job class for less than 5 years.
3
Main category analyses are adjusted for age at reference date, reference year, alcohol use, oral contraceptive use, gravidity and nulliparity.
4
Duration analyses are adjusted for age at reference date, reference year, education, tobacco use, oral contraceptive use and gravidity.
5
No participant held this job class for more than 5 years.