Table 2.
Physician and Practice Characteristics
| 2008 Health Tracking Physician Survey (HTPS) (n = 4,117) |
2008 National Ambulatory Medical Care Survey (NAMCS) (n = 1,187) |
|||||
|---|---|---|---|---|---|---|
| n | % | Weighted % | n | % | Weighted % | |
| Specialty | ||||||
| Internal medicine/general or family practice | 1,335 | 32.43 | 32.85 | 360 | 30.33 | 33.76 |
| Pediatrics | 384 | 9.33 | 8.05 | 115 | 9.69 | 10.49 |
| OB/GYN | 289 | 7.02 | 7.17 | 76 | 6.40 | 8.50 |
| Psychiatry | 259 | 6.29 | 6.56 | 69 | 5.81 | 5.63 |
| Other medical specialty | 1,017 | 24.70 | 25.32 | 265 | 22.33 | 20.70 |
| Other surgery specialty | 833 | 20.23 | 20.05 | 302 | 25.44 | 20.92 |
| Practice type | ||||||
| Solo/two physicians† | 1,566 | 38.04 | 37.80 | 360 | 30.33 | 32.32 |
| HMO or other prepaid practice‡,¥ | 161 | 3.91 | 4.06 | 26 | 2.19 | 2.44 |
| Community health center | n.a. | 131 | 11.04 | 3.06 | ||
| Other practice type | 2,390 | 58.05 | 58.14 | 670 | 56.44 | 62.18 |
| Revenue from Medicare | ||||||
| 50% or less | 3,417 | 83.00 | 82.91 | 982 | 82.73 | 80.06 |
| More than 50% | 700 | 17.00 | 17.09 | 144 | 12.13 | 14.34 |
| Missing | n.a. | 61 | 5.14 | 5.60 | ||
| Revenue from Medicaid | ||||||
| 50% or less | 3,867 | 93.93 | 94.04 | 1,054 | 88.79 | 90.08 |
| More than 50% | 250 | 6.07 | 5.96 | 70 | 5.90 | 4.10 |
| Missing | n.a. | 63 | 5.31 | 5.82 | ||
| Number of managed care contracts | ||||||
| None | 476 | 11.56 | 11.74 | 125 | 10.53 | 10.60 |
| 1 or more | 3,641 | 88.44 | 88.26 | 1,027 | 86.52 | 86.53 |
| Missing | n.a. | 35 | 2.95 | 2.87 | ||
| Gender | ||||||
| Male | 3,061 | 74.35 | 73.42 | n.a. | ||
| Female | 1,056 | 25.65 | 26.58 | n.a. | ||
| Race/ethnicity | ||||||
| Non-Hispanic White | 3,015 | 73.23 | 72.12 | n.a. | ||
| Hispanic | 224 | 5.44 | 5.44 | n.a. | ||
| Non-Hispanic Black | 135 | 3.28 | 3.39 | n.a. | ||
| Asian or Pacific Islander | 593 | 14.40 | 15.38 | n.a. | ||
| Other | 150 | 3.64 | 3.67 | n.a. | ||
| Year started practice | ||||||
| 1975 or earlier | 422 | 10.25 | 8.92 | n.a. | ||
| 1976–1990 | 1,663 | 40.39 | 40.22 | n.a. | ||
| 1991–2000 | 1,335 | 32.43 | 33.43 | n.a. | ||
| 2001 or later | 697 | 16.93 | 17.43 | n.a. | ||
| Geographic region | ||||||
| West | n.a. | 285 | 24.01 | 22.95 | ||
| Northeast | n.a. | 249 | 20.98 | 21.81 | ||
| Midwest | n.a. | 256 | 21.57 | 20.90 | ||
| South | n.a. | 397 | 33.45 | 34.34 | ||
| Non-MSA | n.a. | 109 | 9.18 | 9.41 | ||
Note: HMO: health maintenance organization; MSA: metropolitan statistical area.
†
In the NAMCS, only solo practice was included.
‡
In the HTPS, only HMO setting was asked.
¥
Weighted estimate from the NAMCS was based on fewer than 30 unweighted observations.