Demographic Characteristics of the Survey Sample
| Variable | Intervention n = 123 | Control n = 62 | Overall n = 185 | PValue |
|---|---|---|---|---|
| Note: P values stem from χ2 tests for categorical variables and from t tests for age. To avoid nearly empty or empty cells for the χ2 tests, cells with 4 or more comorbidities were combined. | ||||
| Age, y, mean (SD) | 42.3 (17.4) | 43.9 (15.7) | 42.8 (16.8) | .53 |
| Male, % | 17.9 | 24.2 | 20 | .31 |
| Respondent’s education, % | – | – | – | .55 |
| < High school | 29.3 | 23.0 | 27.2 | – |
| High school | 29.3 | 27.9 | 28.8 | – |
| > High school | 41.5 | 49.2 | 44.0 | – |
| Household income ≥ $30,000, % | 26.8 | 22.6 | 28.9 | .53 |
| Race or ethnicity, % | – | – | – | .32 |
| White (non-Hispanic) | 65.9 | 75.8 | 69.2 | – |
| Hispanic | 17.1 | 9.7 | 14.6 | – |
| Black (non-Hispanic) | 5.7 | 8.1 | 6.5 | – |
| Other + multiracial + Asian | 11.4 | 6.5 | 9.7 | – |
| Comorbidities, No., mean (SD) | 1.32 (1.23) | 2.08 (1.53) | 1.57 (1.38) | .007 |
| Asthma severity, % | – | – | – | .11 |
| Intermittent | 33.9 | 43.9 | 40.5 | – |
| Persistent (mild) | 19.4 | 25.2 | 23.2 | – |
| Persistent (moderate or severe) | 46.8 | 30.9 | 36.2 | – |
| No insurance, % | 9.8 | 8.1 | 9.2 | .70 |