Table 1.
Baseline participant characteristics
| Characteristics | Overall (n = 483) | Pampas (n = 259) | Villa (n = 224) |
|---|---|---|---|
| Demographic characteristics | |||
| Age, yr | 13.2 ± 2.55 | 13.5 ± 2.60 | 12.9 ± 2.47 |
| Male | 44.3 | 39.4 | 50.0 |
| SES score | 0.27 ± 1.69 | −0.34 ± 1.64 | 0.97 ± 1.44 |
| Number of follow-up visits | 11.1 ± 3.08 | 13.3 ± 2.43 | 8.5 ± 1.14 |
| Household smoking | 11.8 | 11.3 | 12.6 |
| Clinical characteristics | |||
| Cole BMI | |||
| Normal | 47.0 | 52.1 | 41.1 |
| Overweight | 32.9 | 31.7 | 34.4 |
| Obese | 20.1 | 16.2 | 24.6 |
| Baseline FEV1 % predicted | 105.5 ± 14.2 | 105.1 ± 14.4 | 105.9 ± 14.0 |
| Baseline FEV1, raw | 2.8 ± 0.77 | 2.8 ± 0.81 | 2.8 ± 0.73 |
| Baseline FEV1, z-score | 1.1 ± 1.31 | 1.1 ± 1.33 | 1.2 ± 1.29 |
| Asthma severity | |||
| Mild intermittent/mild persistent | 33.8 | 36.7 | 30.1 |
| Moderate persistent | 44.7 | 43.9 | 45.7 |
| Severe persistent | 21.5 | 19.4 | 24.2 |
| Inhaled corticosteroid use | 4.0 | 3.7 | 4.5 |
| Long-acting β agonist use | 0.4 | 0.2 | 0.2 |
| Atopy | 77.3 | 79.6 | 74.9 |
Definition of abbreviations: BMI = body mass index; FEV1 = forced expiratory volume in 1 second; SD = standard deviation; SES = socioeconomic status score.
Data are presented as % or mean ± SD.