Table 1.
Study participant characteristics at baseline (n=299)
| Variable | Description | N=299 |
|---|---|---|
| Age | Mean (SD) | 8.5 (1.8) |
| Female, n (%) | 142 (47.5%) | |
| Race or ethnic group, n (%) | Black | 111 (37.1%) |
| Mixed | 52 (17.4%) | |
| Other | 124 (41.5%) | |
| White | 12 (4.0%) | |
| Hispanic, n (%) | 104 (34.8%) | |
| Household Income <$25,000, n (%) | No | 126 (42.1%) |
| Yes | 128 (42.8%) | |
| Unknown | 45 (15.1%) | |
| BMI Percentile | Mean (SD) | 74.6 (27.1) |
| BMI Category, n (%) | Underweight | 4 (1.3%) |
| Normal | 150 (50.2%) | |
| Overweight | 39 (13.0%) | |
| Obese | 106 (35.5%) | |
| Allergic Sensitization ≥ 1 allergen, n (%) | 214 (71.6%) | |
| ICS Controller Medication Use, n (%) | 91 (30.4%) | |
| F E NO (ppb) † | Mean (SD) | 21.0 (22.5) |
| FEV1 % predicted‡ | Mean (SD) | 101.1 (19.2) |
| FVC % predicted § | Mean (SD) | 100.0 (17.6) |
| FEV 1 /FVC ¶ | Mean (SD) | 0.9 (0.1) |
| Maximum asthma symptom-days # | Mean (SD) | 2.9 (4.1) |
FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; FENO: fractional exhaled Nitric Oxide.
Maximum asthma symptom-days = in the 2 weeks prior to each follow-up survey, the greatest result of the following three variables: 1) number of days with wheezing, cough, or chest tightness, 2) number of days on which child had to slow down or discontinue play activities due to wheezing, chest tightness, or cough, 3) number of nights with wheezing, cough, or chest tightness leading to disturbed sleep due to child’s asthma
total n included (%): 95 (31.8%),
total n included (%): 261 (87.6%),
total n included (%): 261 (87.6%),
total n included (%): 261 (87.6%),
total n included (%): 284 (99.3%)