Exhibit 4. Logistic Regression Models1 Predicting Asthma Emergent Care Visits if Asthma Medication Ratio is < 0.5.
| Hospitalizations | ED Visits | Hospitalization or ED Visit | ||||
|---|---|---|---|---|---|---|
| OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | |
| 2007–20082 | ||||||
| 3 month | 1.9 | (1.1–3.4) | 1.6 | (1.2–2.0) | 1.6 | (1.3–2.0) |
| 6 month | 2.0 | (1.3–3.0) | 1.5 | (1.3–1.8) | 1.6 | (1.3–1.9) |
| 12 month | 1.8 | (1.3–2.5) | 1.5 | (1.3–1.8) | 1.6 | (1.4–1.8) |
| 2008–20093 | ||||||
| 3 month | 1.1 | (.69–1.9) | 1.5 | (1.2–1.9) | 1.5 | (1.2–1.9) |
| 6 month | 1.1 | (.66–2.4) | 1.6 | (1.4–2.0) | 1.6 | (1.4–1.9) |
| 12 month | 1.7 | (1.2–2.5) | 1.7 | (1.4–1.9) | 1.7 | (1.5–1.9) |
1
NOTES: All models controlled for age, gender, race, and rurality and all models except italicized were significant with p<.001
2
Ratios calculated with 2007 data predicting 2008 emergent care visits.
3
Ratios calculated with 2008 data predicting 2009 emergent care visits.
SOURCE: South Carolina Medicaid Data, 2007–2009.