Practice Characteristics | Have Adopted PCV7 (n = 176) (%) | P Value |
---|---|---|
Number of physicians at practice site | ||
1 | 54 | < .005 |
2 | 64 | |
3 | 55 | |
4 | 63 | |
5–10 | 82 | |
>10 | 81 | |
Proportion of patients <5 years old covered by Medicaid | ||
<10% | 57 | = .001 |
10%–40% | 73 | |
>40% | 85 | |
Proportion of patients who are African-American | ||
<10% | 64 | < .05 |
10%–40% | 75 | |
>40% | 93 | |
Annual newborn enrollment | ||
<20 | 57 | < .001 |
20–40 | 71 | |
>40 | 91 |
P values indicate level of significance for comparison of proportions of adopters among physicians with different characteristics within each category.