Table 1.
Characteristics of Primary Care Physician Respondents: Overall and by Race and Sex
| White n = 316 | Black n = 242 | Male n = 262 | Female n = 296 | |||
| Characteristics | n (%) | n (%) | PValue | n (%) | n (%) | PValue |
| Age | <.01 | <.01 | ||||
| <40 years | 93 (29.7) | 99 (42.3) | 58 (22.7) | 134 (46.1) | ||
| 40–49 years | 125 (39.9) | 97 (41.5) | 98 (38.3) | 124 (42.6) | ||
| >49 years | 95 (30.4) | 38 (16.2) | 100 (39.1) | 33 (11.3) | ||
| Sex, female | 163 (51.6) | 133 (55.0) | .43 | --- | --- | NA |
| Race, black | --- | --- | NA | 109 (41.6) | 133 (44.9) | .43 |
| Board certified | 285 (90.5) | 190 (79.2) | <.01 | 216 (82.8) | 259 (88.1) | .07 |
| International medical graduate | 20 (6.3) | 39 (16.4) | <.01 | 36 (13.8) | 23 (7.9) | .02 |
| Location | <.01 | .35 | ||||
| Rural | 95 (30.0) | 35 (14.6) | 67 (25.8) | 63 (21.4) | ||
| Urban | 92 (29.1) | 130 (54.4) | 103 (39.6) | 119 (40.3) | ||
| Suburban | 127 (40.2) | 74 (40.0) | 90 (34.6) | 111 (37.6) | ||
| Other | 2 (0.63) | 0 (0.0) | 0 (0.0) | 2 (0.68) | ||
| Practice setting | <.01 | <.01 | ||||
| Hospital clinic | 38 (12.7) | 28 (11.8) | 27 (10.8) | 39 (13.6) | ||
| Staff/group HMO | 7 (2.3) | 26 (11.0) | 10 (4.0) | 23 (8.0) | ||
| Private group | 155 (51.7) | 80 (33.8) | 110 (43.8) | 125 (43.7) | ||
| Solo | 74 (24.7) | 69 (29.1) | 87 (34.7) | 56 (19.6) | ||
| Other practice | 26 (8.7) | 34 (14.4) | 17 (6.8) | 43 (15.0) | ||
| Specialty | .22 | .02 | ||||
| Family practice | 151 (50.3) | 100 (45.5) | 103 (43.5) | 148 (52.3) | ||
| Internal medicine | 120 (40.0) | 106 (48.2) | 107 (45.2) | 119 (42.1) | ||
| FP/IM with specialty | 17 (5.7) | 9 (4.1) | 19 (8.0) | 7 (2.5) | ||
| Other | 12 (4.0) | 5 (2.3) | 8 (3.4) | 9 (3.2) | ||
| Region | <.01 | .03 | ||||
| South | 82 (26.0) | 106 (43.8) | 104 (39.7) | 84 (28.4) | ||
| Northeast | 76 (24.1) | 54 (22.3) | 60 (22.9) | 70 (23.7) | ||
| Midwest | 92 (29.1) | 49 (20.3) | 58 (22.1) | 83 (28.0) | ||
| West | 66 (20.9) | 33 (13.6) | 40 (15.3) | 59 (19.9) | ||
| Almost always knows name of specialist referring to | 274 (86.7) | 172 (71.1) | <.01 | 212 (80.9) | 234 (79.1) | .35 |
NA = not applicable; FP = family practice; IM = internal medicine; HMO = health maintenance organization.
Note: numbers for missing values by characteristics were: age (11); board certified (3), international medical graduate (4); location (3); practice setting (21); specialty (38).