Demographic and home characteristics from 139 participants from AIRWEIGHS study
| Characteristic | Values | n |
| Age (years; median (range)) | 11 (8–17) | 139 |
| Race (%) | 139 | |
| Black | 88 | |
| White/other | 12 | |
| Sex (% male) | 59 | 139 |
| Caregiver education (%) | 139 | |
| Less than college | 59 | |
| Some college/beyond | 41 | |
| Health insurance (%) | 139 | |
| Private | 16 | |
| Public | 84 | |
| Caregiver income (%) | 139 | |
| <$20 000 | 42 | |
| $20 000–$39 999 | 26 | |
| >$40 000 | 19 | |
| Unknown | 14 | |
| Household occupancy (median (IQR)) | 4 (2–9) | 138 |
| Type of dwelling (%) | 139 | |
| Detached/semidetached | 15 | |
| Row home/town home/apartment | 85 | |
| Smokers in home (%) | 46 | 138 |
| Indoor air nicotine (median (IQR)) | 0.02 (0.02–5.17) | 139 |
| Serum cotinine (median (IQR)) | 0.20 (0.05–2.7) | 44 |
| Tobacco outlet density (median (IQR)) | 6 (0–37) | 139 |
| NAEPP asthma severity (%) | 139 | |
| Intermittent | 4 | |
| Mild persistent | 37 | |
| Moderate persistent | 43 | |
| Severe persistent | 17 | |
| ATAQ score (mean (range)) | 2.5 (0–7) | 137 |
ATAQ, Asthma Therapy Assessment Questionnaire; NAEPP, National Asthma Education and Prevention Program.