Table 3.
Characteristics of respondents
| Number of Physicians | 385 |
| Sex, n (%) | |
| Male | 287 (74.5) |
| Female | 97 (25.2) |
| Unknown | 1 (0.3) |
| Geographic location a, n (%) | |
| Midwest | 112 (29.1) |
| South | 104 (27.0) |
| East | 88 (22.9) |
| West | 79 (20.5) |
| Unknown | 2 (0.5) |
| Practice type, n (%) | |
| Academic | 133 (34.5) |
| Private | 252 (65.5) |
| Specialist b, n (%) | 107 (27.7) |
| Years in practice, median (range) | 16 (1–44) |
| Number of physicians per practice, median (range) |
5 (1–55) |
a
EAST: CT, DC, DE, MA, MD,ME,NH, NJ, NY, PA, RI, VT, WV; SOUTH: AL, AR, FL, GA, LA,MS, NC, SC, TN, TX, VA; MIDWEST: IA, IL, IN, KS, KY, MI, MN, MO, ND, NE, OH, OK, SD, WI; WEST: AK, AZ, CA, CO, HI, ID, MT, NM, NV, OR, UT, WA, WY.
b
Specialty categories: central nervous system, breast, lung, prostate, other.