Table 4.
Prevalence ratio of short-acting β-agonist dispensing before and after the 2007 wildfires
| BMI Group | Prevalence ratio (95% CI)a |
|---|---|
| Underweight | 0.98 (0.85–1.12) |
| Normal weight | 1.00 (Reference) |
| Overweight | 0.97 (0.92–1.02) |
| Obese | 1.01 (0.97–1.06) |
P value for the trend of .61.