Table 1.
Characteristics of health plans
| N of plans (%) | |
|---|---|
| Mean % (± SD) across plans | |
| Plan type | |
| HMO | 61 (27%) |
| HMO/POS | 162 (71%) |
| POS | 6 (3%) |
| Plan locationa | |
| Northeast | 29% |
| Midwest | 29% |
| South | 27% |
| West | 16% |
| Number of enrollees | |
| <10,000 | 12 (5%) |
| 10,000 –50,000 | 48 (21%) |
| 50,000 –200,000 | 103 (45%) |
| 200,000 –1 million | 61 (27%) |
| > 1 million | 5 (2%) |
| Percent of plan’s physicians in different specialties | |
| Primary care adultb | 43% (±8%) |
| Pediatrics | 5% (±4%) |
| Other specialists | 53% (±7%) |
| % of physicians in plan who are board certified | 84% (± 6%) |
| For-profit status | |
| For profit | 161 (70%) |
| Non profit | 63 (28%) |
| Not reported or missing | 5 (2%) |
| Accreditation status | |
| Excellent | 170 (74%) |
| Commendable | 16 (7%) |
| Other | 43 (19%) |
Data on plan location and the percentage of physicians who are board certified were not available for 11 plans. Some numbers do not add to 100% because of rounding.
a
Denotes the mean percentage of each plan’s population within a given region
b
Includes adult primary care physicians, geriatricians, and obstetricians/gynecologists