Table 1.
Demographic information of respondents by case assignments
| Variable | White male + black female (n = 39) | White male + black male (n = 37) | White male + white female (n = 37) |
|---|---|---|---|
| Age (mean ± SD) | 48.1 ± 10.4 | 51.4 ± 9.8 | 51.9 ± 11.3 |
| Sex (number/% male) | 35 (90%) | 36 (97%) | 36 (97%) |
| Ethnicity (number/% Caucasian) | 30 (77%) | 34 (92%) | 32 (86%) |
| Years in practice | |||
| ≤ 10 (number/%) | 15 (38%) | 9 (24%) | 10 (27%) |
| > 10 (number/%) | 24 (62%) | 28 (76%) | 27 (73%) |
| Board certification (number/% yes) | 36 (92%) | 36 (97%) | 35 (95%) |
| Practice setting | |||
| Academic (number/%) | 15 (38%) | 12 (32%) | 10 (27%) |
| Private or multispecialty (number/%) | 22 (56%) | 25 (68%) | 24 (65%) |
| Other (number/%) | 2 (5%) | 0 | 3 (8%) |
| Arthroplasty fellowship (number/% yes) | 23 (59%) | 23 (62%) | 21 (57%) |
| Annual THA/TKA volume | |||
| ≤ 100 (number/%) | 14 (36%) | 16 (43%) | 16 (43%) |
| 100–200 (number/%) | 18 (46%) | 11 (30%) | 12 (32%) |
| > 200 (number/%) | 7 (18%) | 10 (27%) | 9 (24%) |