Table 2.
Characteristics of study population according to asthma status
| NWNA (Controls) | CUWH (Current Wheezers) | p-valuec | ACAS (Active Asthmatics) | p-valued | |
|---|---|---|---|---|---|
| (n = 671) | (n = 190) | (n = 69) | |||
| Age (yrs)a | 16.95 (15.91–18.00) | 17.00 (16.00–18.11) | 0.309 | 16.91 (15.91–18.07) | 0.567 |
| Sex (% female)b | 57.4 % | 56.9 % | 0.914 | 56.5 % | 0.894 |
| BMI z scoresa | 0.358 ( −2.13–2.16) | 0.288 ( −1.73–2.20) | 0.396 | 0.340 ( −1.87–2.37) | 0.896 |
| HDL (mg/dl)a | 53.4 (30.00–86.50) | 49.1 (30.00–71.55) | <0.001 | 47.9 (31.73–73.75) | <0.001 |
| Atopic Sensitization (% positive)b | - | 41.4 % | - | 52.0 % | 0.073e |
| FEV1 (% predicted)a | - | 99.1 (72.9–130.5) | - | 97.6 (62.0–125.6) | 0.332e |
| Exercise Induced Wheezing (% positive)b | - | 67.6 % | - | 83.6 % | <0.001e |
| Hospitalization (% positive)b | - | 9.0 % | - | 18.8 % | 0.003e |
aMean and 95 % CI, Independent sample t test for equality of means (2-sited significance)
bPercentage, χ 2 test (asymptomatic 2-sited significance)
cComparison between NWNA and CUWH
dComparison between NWNA and ACAS
eComparison between CUWH and ACAS