Table 3.
Multivariable Model Predicting Receipt of ≥300 days of penicillin, erythromycin, or amoxicillin among children with sickle cell anemia (n=5,014 person-years)*
| Variable | OR | Lower 95% CI | Upper 95% CI |
|---|---|---|---|
| Type of visit | |||
| Emergency department | 1.02 | 0.99 | 1.04 |
| SCD-related outpatient | 1.01 | 1.01 | 1.02 |
| Well-child | 1.08 | 1.03 | 1.14 |
| State | |||
| Florida | 0.51 | 0.39 | 0.68 |
| Illinois | 1.00 | Reference | Reference |
| Louisiana | 0.57 | 0.41 | 0.78 |
| Michigan | 0.60 | 0.42 | 0.85 |
| South Carolina | 0.62 | 0.43 | 0.89 |
| Texas | 1.01 | 0.76 | 1.35 |
| Year | |||
| 2005 | 1.00 | Reference | Reference |
| 2006 | 0.92 | 0.69 | 1.23 |
| 2007 | 1.21 | 0.91 | 1.60 |
| 2008 | 0.98 | 0.72 | 1.33 |
| 2009 | 0.80 | 0.59 | 1.09 |
| 2010 | 0.99 | 0.73 | 1.33 |
| 2011 | 0.98 | 0.73 | 1.31 |
| 2012 | 0.85 | 0.63 | 1.15 |
Abbreviations: OR, odds ratio; CI, Confidence Interval; SCD, Sickle Cell Disease.
*
2,821 children