Table 4.
No. of wheezing episodes | OR (95% CI)a
|
|
---|---|---|
Enrollment | Entire study | |
No asthma | Reference | Reference |
≤3 | 0.48 (0.35–0.67) | 0.69 (0.59–0.81) |
4–12 | 0.50 (0.32–0.79) | 0.45 (0.35–0.59) |
>12 | 0.21 (0.12–0.35) | 0.30 (0.20–0.46) |
P < .001 for all comparisons.