Baseline characteristics of participants by PEF feedback condition
| PEF feedback(n=104) | No PEF feedback (n=88) | p Value | |
|---|---|---|---|
| Age of child, mean±SE | 10.8±0.2 | 9.4±0.2 | <0.001 |
| Sex of child, % male | 55.8 | 59.1 | 0.643 |
| Ethnicity, % | |||
| Puerto Rican (n=100) | 50.0 | 54.5 | 0.801 |
| African-American (n=54) | 28.8 | 27.3 | |
| Afro-Caribbean (n=38) | 21.2 | 18.2 | |
| Primary caregiver | |||
| Biological mother, % | 87.5 | 88.6 | 0.809 |
| Below poverty threshold, % | 54.5 | 43.2 | 0.132 |
| Maternal education | |||
| At least some college | 40.3 | 40.9 | 0.609 |
| High school | 24.8 | 21.6 | |
| Less than high school | 34.9 | 37.5 | |
| English parent interview, % | 89.4 | 95.5 | 0.121 |
| US-born parent, % | 63.5 | 63.5 | 0.992 |
| Recruitment site, % | |||
| Asthma clinic | 54.2 | 48.9 | 0.450 |
| Other recruitment site | 45.8 | 51.1 | |
| Taking ICS medication, % | 62.0 | 57.6 | 0.373 |
| Oral steroid burst (past year), % | 61.5 | 60.2 | 0.852 |
| Asthma severity, % | |||
| Intermittent/mild persistent | 12.9 | 10.6 | 0.680 |
| Moderate persistent | 55.9 | 62.4 | |
| Severe persistent | 31.2 | 27.1 | |
| Asthma control, % | |||
| Well controlled | 10.8 | 5.9 | 0.475 |
| Not well controlled | 54.8 | 55.3 | |
| Very poorly controlled | 34.4 | 38.8 | |
ICS, inhaled corticosteroids; PEF, peak expiratory flow.