Table 4.
Relative exposure quartiles by asthma outcomes
| Ereative Exposure Quartiles |
Physician-diagnosed asthma1 | Physician-diagnosed asthma or medication for wheeze2 |
||
|---|---|---|---|---|
| OR(95% CI) | p | OR(95% CI) | p | |
| 1st | -- | -- | -- | -- |
| 2nd | 1.86 (0.73–4.74) | 0.192 | 1.43 (0.67–3.08) | 0.355 |
| 3rd | 2.06 (0.82–5.18) | 0.126 | 1.52 (0.71–3.26) | 0.283 |
| 4th | 1.71 (0.65–4.54) | 0.278 | 2.40 (1.11–5.21) | 0.027 |
--
Reference group
1
Adjusted for age, physician-diagnosed allergies, gender, respiratory illness before 2 years, parental history of asthma, and premature birth
2
Adjusted for physician-diagnosed allergies, gender, respiratory illness before 2 years, and premature birth