| Characteristics | Respondents |
|---|---|
| Medical specialty† | |
| Internal medicine | 565 (45.5) |
| Family practice | 648 (52.1) |
| Other | 84 (6.8) |
| Sex | |
| Male | 756 (62.1) |
| Female | 461 (37.9) |
| Practice ownership | |
| Physician or group of physicians | 558 (45.1) |
| Hospital | 240 (19.4) |
| Healthcare organization larger than 1 hospital | 190 (15.4) |
| Academic institution | 129 (10.4) |
| Other | 119 (9.6) |
| Mean age, years (range) | 53.0 (27–83) |
| Mean years in practice (range) | 20.8 (1–56) |