Characteristics of the 40 laboratory animal workers with rhinitis
| Researchers (24) | Laboratory technicians (10) | Animal handlers (6) | Total (40) | |
|---|---|---|---|---|
| Female/male | 13/11 | 9/1 | 4/2 | 26/14 |
| Age (years) | 24–47 (mean 30) | 26–54 (mean 39) | 36–56 (mean 46) | 24–56 (mean 35) |
| Exposure time before rhinitis | ||||
| 1–3 months | 10 | 4 | 1 | 15 |
| 1–3 years | 11 | 5 | 2 | 18 |
| >3 years | 3 | 1 | 3 | 7 |