Table 3.
Characteristics of 392 primary care recruited physicians from a large managed care organization, by physician participation status
| Participated(n = 207) | Did NotParticipate(n = 185) | P value | ||
| Age, mean (years) | 44.9 | 43.8 | .22 | |
| Female, mean (%) | 39.1 | 27.0 | .01 | |
| Ethnicity* | ||||
| White, mean (%) | 82.1 | 82.6 | .91 | |
| African American, mean (%) | 4.5 | 2.3 | .29 | |
| Asian, mean (%) | 9.5 | 10.6 | .73 | |
| Hispanic, mean (%) | 4.0 | 4.6 | .80 | |
| Specialty | ||||
| Internal medicine, mean (%) | 36.7 | 35.1 | .75 | |
| Family medicine/general practice, mean (%) | 53.6 | 50.8 | .58 | |
| Pediatrics, mean (%) | 9.7 | 14.1 | .18 | |
| Doctor of osteopathy, mean (%) | 15.5 | 23.9 | .04 | |
| International medical graduate, mean (%) | 12.3 | 23.8 | .003 | |
Recruited physicians provided their email address for subsequent contact.
Participating physicians logged on to the study Internet site.
* This information was missing for 30.0% of the physicians in the sample.