Table 1 Childhood asthma management program (CAMP) subset study population characteristics
Characteristic | Vitamin D insufficient (n = 139) | Vitamin D sufficient (n = 322) | P value |
|---|---|---|---|
Age, yr | 9.12 ± 2.16 | 8.74 ± 2.12 | 0.08* |
Sex | 0.15†| ||
 Male | 74 (53.2) | 196 (60.9) |  |
 Female | 65 (46.8) | 126 (39.1) |  |
Race | < 0.01†| ||
 White | 84 (60.4) | 278 (86.3) |  |
 Black | 49 (35.3) | 30 (9.3) |  |
 Hispanic | 6 (4.3) | 14 (4.3) |  |
BMI, kg/m2 | 18.67 ± 3.69 | 17.82 ± 3.15 | 0.02* |
Household income | 0.98‡ | ||
 < $15,000 | 9 (6.5) | 18 (5.6) |  |
 $15,000-$29,000 | 21 (15.1) | 50 (15.6) |  |
 $30,000-$49,000 | 44 (31.7) | 108 (33.8) |  |
 > $50,000 | 61 (43.9) | 134 (42.9) |  |
 Decline response | 4 (2.9) | 9 (2.8) |  |
 Don’t know | 0 (0) | 1 (0.3) |  |
Child ever in hospital for asthma | 0.83†| ||
 Yes | 46 (33.1) | 103 (32.0) |  |
 No | 93 (66.9) | 219 (68.0) |  |