Table 2.

Characteristics of Participating Physicians

CharacteristicMean (SD; Range) or No. (%)
HMO = health maintenance organization.
Note: N = 152, but numbers of physicians do not total 152 because of missing data.
Age, years46.2 (9.9; 30–81)
Time in practice, years17.4 (9.6; 4–49)
Sex
    Male101 (67.8)
    Female48 (32.2)
Specialty
    Family physician49 (32.7)
    Internal medicine101 (67.3)
Type of practice
    HMO33 (22.1)
    Group61 (40.9)
    Solo37 (24.8)
    Academic18 (12.1)
Study site
    Sacramento, Calif51 (34.2)
    Rochester, NY48 (32.2)
    San Francisco, Calif50 (33.6)
Race/ethnicity
    African American3 (2.0)
    Asian/Pacific Islander32 (21.3)
    Hispanic/Latino5 (3.3)
    Other4 (2.7)
    White105 (70.0)
    Missing1 (0.7)