TABLE II.
RELATIVE RISKS OF NHL BY ASTHMA HISTORY AND EXPOSURE TO PESTICIDES
| Occupational exposure to pesticides
|
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Asthma history | Probably unexposed
|
Exposure uncertain
|
Probably exposed
|
|||||||||
| Ca. | Co. | OR1 | 95% CI | Ca. | Co. | OR | 95% CI | Ca. | Co. | OR | 95% CI | |
| Nonasthmatics | 282 | 225 | 1.0 | reference | 253 | 202 | 1.1 | 0.8–1.4 | 67 | 59 | 0.9 | 0.6–1.5 |
| Asthmatics | 30 | 28 | 0.9 | 0.5–1.6 | 29 | 26 | 1.1 | 0.4–3.1 | 7 | 3 | 1.7 | 0.3–9.1 (p = 0.382) |
| Hospitalized for asthma | ||||||||||||
| No | 16 | 16 | 0.9 | 0.4–1.8 | 15 | 18 | 0.8 | 0.2–2.9 | 4 | 2 | 1.5 | 0.2–11.9 |
| Yes | 14 | 12 | 1.0 | 0.4–2.2 | 14 | 8 | 2.0 | 0.5–9.0 | 3 | 1 | 2.1 | 0.2–29.0 |
| Daily medication for asthma | ||||||||||||
| No | 14 | 11 | 1.2 | 0.5–2.9 | 16 | 13 | 1.2 | 0.3–5.2 | 5 | 3 | 1.3 | 0.2–8.7 |
| Yes | 16 | 17 | 0.7 | 0.4–1.5 | 13 | 13 | 1.0 | 0.3–3.9 | 2 | 0 | ∞ | 0–∞ |
1
Odds ratios adjusted for age, sex, race and study center.–
2
Test for interaction between asthma and pesticide exposure.