Table 1.

Univariate analyses of early, late and persistently high BMI with current doctor-diagnosed asthma, atopic and nonatopic asthma, respectively

	Current asthma OR (95% CI)	Atopic asthma OR (95% CI)	Nonatopic asthma OR (95% CI)
Normal BMI	1 ref.	1 ref.	1 ref.
Early high BMI	0.6 (0.4–1.2)	0.8 (0.4–1.5)	0.4 (0.1–1.4)
Late high BMI	0.9 (0.5–1.6)	1.1 (0.6–2.1)	0.6 (0.2–1.8)
Persistently high BMI	2.0 (1.1–3.6)	2.9 (1.5–5.5)	0.4 (0.1–3.1)

Significant (p < 0.05) factors are in bold.