TABLE 5.

VITAMIN D AND SEVERE DISEASE EXACERBATIONS IN CHILDREN WITH ASTHMA, WITH AND WITHOUT ATOPY, IN PUERTO RICO^*

Predictors	Subjects with Atopy (n = 195)	Subjects without Atopy (n = 92)
Multivariate model
Vitamin D level < 30 ng/ml	2 (1–4.1), 0.04	6.2 (2–21.6), 0.002
Household income < $15,000 per yr	1.3 (0.6–2.7), 0.5	1.5 (0.4–5.2), 0.5
Use of inhaled corticosteroids in the prior 6 mo	2.8 (1.3–6.3), 0.008	4.3 (1.5–13.5), 0.01
Each 20% increase in African ancestry	1 (0.5–1.7), 0.9	0.9 (0.4–2), 0.8
Virtually always outside	0.4 (0.2–0.9), 0.03	1.1 (0.4–3.4), 0.8
High vitamin D intake (diet or supplements)	0.8 (0.4–1.6), 0.5	1.4 (0.4–4.8), 0.6

^*Odds ratio (95% confidence interval), P value for severe asthma exacerbations. All models are additionally adjusted for age and sex.