Table 1.
Participant characteristics
| Asthma N = 287 |
Control N = 96 |
p value | |
|---|---|---|---|
| Female, n (%) | 112 (39) | 56 (58) | <0.01 |
| Age, mean (SD) | 13.5 (2.6) | 13.4 (2.4) | 0.60 |
| BMI category, n (%) (n = 383) | 0.20 | ||
| Underweight | 0 | 0 | |
| Normal weight | 176 (61) | 68 (71) | |
| Overweight | 80 (28) | 22 (23) | |
| Obese | 31 (11) | 6 (6) | |
| Maternal education: secondary school or higher (n = 364) | 164 (59) | 33 (38) | <0.01 |
| MDS (above median), n (%) | 118 (41) | 53 (55) | 0.02 |
| Atopic (n = 291) | 186 (77 %) | 23 (47 %) | <0.01 |
| Current allergic rhinitis, n (%) (n = 365) | 158 (57) | 20 (22) | <0.01 |
| FEV1 percent predicted, mean (SD) | 106 (14) | 110 (14) | <0.01 |
| FEV1/FVC percent predicted, mean (SD) | 87 (7) | 91 (4) | <0.01 |
| FEV1 reversibility, n (%) | 45 (16) | 0 | <0.01 |
| ACT score, mean (SD) | 22.7 (3.2) | ||
| % with controlled asthma (ACT >19) | 86 |