Practice Characteristics of Physician Respondents
| Practice Characteristic | Pediatricians (n = 435) (%) | Family Physicians (n = 259) (%) | P Value |
|---|---|---|---|
| Ownership of practice | |||
| University | 4 | 3 | > .8 |
| Hospital | 12 | 15 | |
| Physician network* | 11 | 10 | |
| Public | 3 | 4 | |
| Independent private | 69 | 68 | |
| Other | 1 | 0 | |
| Number of physicians in practice | |||
| 1 | 17 | 22 | < .01 |
| 2–3 | 23 | 32 | |
| 4–5 | 23 | 15 | |
| 6–9 | 18 | 17 | |
| ≥10 | 19 | 14 | |
| Proportion of patients on Medicaid | |||
| <10% | 37 | 46 | < .05 |
| 10%–40% | 36 | 36 | |
| 41%–70% | 17 | 12 | |
| >70% | 10 | 6 | |
| Proportion of patients who are African American | |||
| <10% | 55 | 69 | = .001 |
| 10%–40% | 38 | 25 | |
| >40% | 7 | 6 | |
| Number of newborns enrolled in practice annually | |||
| <20 | 2 | 49 | < .001 |
| 20–40 | 18 | 33 | |
| >40 | 80 | 18 | |
| Vaccine financing strategy of state in which physician practices† | |||
| VFC only | 46 | 43 | > .4 |
| Enhanced VFC | 44 | 45 | |
| Universal purchase | 10 | 12 |
Within each specialty for each characteristic, column percentages sum to 100.
* Includes physicians reporting practice ownership by health maintenance organization.
† Specifically regarding PCV7.