Table 1.
Baseline Characteristics of Study Participants
| % |
|||||||
|---|---|---|---|---|---|---|---|
| Enrolled in Study |
Completed Study |
||||||
| Characteristic | Nurse-Only Group | Nurse + CHW Group | Total | Nurse-Only Group | Nurse + CHW Group | Total | Dropped Out |
| Completed phase, No. (%) | 153 | 156 | 309 | 136 (89) | 135 (87) | 271 | 38 |
| Demographic Characteristics | |||||||
| Child | |||||||
| Age, mean, y | 8.0 | 8.0 | 8.0 | 7.9 | 7.9 | 7.9 | 8.5 |
| Male sex | 62.8 | 64.7 | 63.8 | 62.5 | 64.4 | 63.5 | 65.8 |
| Caregiver | |||||||
| Ethnicitya,b | |||||||
| White | 13.7 | 9.0 | 11.3 | 13.2 | 7.4 | 10.3 | 18.4 |
| African Americana,b | 26.1 | 14.1 | 20.1 | 26.5 | 14.1 | 20.3 | 18.4 |
| Vietnamese | 8.5 | 13.5 | 11.0 | 7.4 | 14.1 | 10.7 | 13.2 |
| Other Asiana,b | 1.3 | 10.3 | 5.8 | 1.5 | 9.6 | 5.5 | 7.9 |
| Hispanic | 46.4 | 49.4 | 47.9 | 47.8 | 51.9 | 49.8 | 34.2 |
| Other | 3.9 | 3.9 | 3.9 | 3.7 | 3.0 | 3.3 | 7.9 |
| Preferred language | |||||||
| English | 52.3 | 45.5 | 48.9 | 51.5 | 43.0 | 47.2 | 60.5 |
| Spanish | 39.9 | 41.7 | 40.8 | 41.9 | 43.0 | 42.4 | 29.0 |
| Vietnamese | 7.8 | 12.8 | 10.4 | 6.6 | 14.1 | 10.3 | 10.5 |
| Household income | |||||||
| <100% of 2001 federal poverty level | 54.6 | 46.5 | 50.5 | 55.6 | 45.5 | 50.6 | 50.0 |
| 100%–200% of 2001 federal poverty level | 45.4 | 53.5 | 49.5 | 44.4 | 54.5 | 49.4 | 50.0 |
| Education | |||||||
| <High school | 43.4 | 42.6 | 43.0 | 45.2 | 44.0 | 44.6 | 31.6 |
| High school or GED diploma | 31.6 | 25.8 | 28.7 | 31.9 | 24.6 | 28.3 | 31.6 |
| Some college | 20.4 | 27.1 | 23.8 | 19.3 | 27.6 | 23.4 | 26.3 |
| College graduate | 4.6 | 4.5 | 4.6 | 3.7 | 3.7 | 3.7 | 10.5 |
| Currently employed | 45.8 | 48.7 | 47.2 | 45.6 | 48.1 | 46.8 | 50.0 |
| Age, y | |||||||
| <45 | 87.5 | 92.3 | 89.9 | 86.0 | 91.8 | 88.9 | 97.3 |
| >45 | 12.5 | 7.7 | 10.1 | 14.0 | 8.2 | 11.1 | 2.7 |
| Rented home, including public housinga,b | 68.6 | 84.6 | 76.7 | 70.6 | 84.4 | 77.5 | 71.1 |
| Asthma Characteristics | |||||||
| Asthma severity | |||||||
| Mild, intermittent | 22.9 | 17.3 | 20.1 | 22.1 | 16.3 | 19.2 | 26.3 |
| Mild, persistent | 42.5 | 39.7 | 41.1 | 44.1 | 40.7 | 42.4 | 31.6 |
| Moderate, persistent | 27.5 | 32.1 | 29.8 | 27.2 | 31.1 | 29.2 | 34.2 |
| Severe, persistent | 7.2 | 10.9 | 9.1 | 6.6 | 11.9 | 9.2 | 7.9 |
| Used urgent health services in last 3 mo | 49.0 | 47.4 | 48.2 | 47.1 | 49.6 | 48.3 | 47.4 |
| Caregiver quality of life score, mean | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 |
| No. of symptom-free days/2 wk, mean | 9.5 | 9.3 | 9.4 | 9.4 | 9.1 | 9.2 | 10.5 |
| No. of days/2 wk with activity limited by asthma, mean | 1.9 | 1.8 | 1.9 | 2.0 | 1.9 | 2.0 | 1.1 |
| No. of asthma attacks within last 3 mo, mean | 2.1 | 2.6 | 2.4 | 2.0 | 2.8 | 2.4 | 1.9 |
| No. of days/2 wk used β2-agonist, mean | 3.2 | 3.7 | 3.5 | 3.1 | 3.9 | 3.5 | 3.2 |
| No. of days/2 wk used controller medications, mean | 4.6 | 5.2 | 4.9 | 4.6 | 5.2 | 4.9 | 4.9 |
| Child missed school within 2-wk period | 25.2 | 22.8 | 24.0 | 22.7 | 25.0 | 23.8 | 25.0 |
| Adult missed work within 2-wk period | 13.6 | 10.9 | 12.2 | 12.7 | 12.7 | 12.7 | 8.8 |
| Positive skin test for ≥1 allergen | 56.2 | 64.7 | 60.5 | 55.2 | 65.9 | 60.5 | 60.5 |
| Smoker in home | 45.1 | 38.5 | 41.8 | 47.1 | 37.8 | 42.4 | 36.8 |
| Pet in home | 23.5 | 23.1 | 23.3 | 21.3 | 22.2 | 21.8 | 34.2 |
| Mold | 41.2 | 47.4 | 44.3 | 42.7 | 45.2 | 43.9 | 47.4 |
| Water damage/moisture/leak | 27.5 | 31.4 | 29.5 | 28.7 | 31.9 | 30.3 | 23.7 |
| Roaches, observed or reported | 12.4 | 16.0 | 14.2 | 14.0 | 17.0 | 15.5 | 5.3 |
| Rodents, observed or reported | 10.5 | 8.3 | 9.4 | 11.0 | 8.9 | 10.0 | 5.3 |
| No. of triggers in the home, mean | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.4 |
Abbreviations: CHW, community health worker; GED, general education development.
a
Significant difference (P<.05) between nurse + CHW and nurse-only groups among all enrolled.
b
Significant difference (P<.05) between nurse + CHW and nurse-only groups among participants who completed the study.