Table 1.
Participant characteristics (N=552).
| Participant characteristics | Na | Control (n=296) | Intervention (n=256) | P | |
| Participant type, n (%) | 552 | .81b | |||
| Physician | 274 (92.6) | 237 (92.6) | |||
| Physician assistant | 16 (5.4) | 12 (4.7) | |||
| Nurse and other | 6 (2.0) | 7 (2.7) | |||
| Practice type, n (%) | 541 | .42b | |||
| Academic | 541 | 151 (51.9) | 123 (49.2) | ||
| Community | 109 (37.5) | 106 (42.4) | |||
| Both | 31 (10.6) | 21 (8.4) | |||
| Percentage of patients with breast cancer seen in participant’s practice, n (%) | 544 | .88b | |||
| <25% | 170 (58.4) | 141 (55.7) | |||
| 25%-50% | 78 (26.8) | 74 (29.2) | |||
| >50% | 37 (12.7) | 34 (13.4) | |||
| Unknown | 6 (2.1) | 4 (1.6) | |||
| Age (years) | |||||
| Mean (SD) | 527 | 42.8 (9.8) | 43.3 (9.9) | .57c | |
| Median (IQR) | 40 (35-50) | 40 (35-50) | |||
| Gender, n (%) | 526 | .42b | |||
| Male | 202 (70.9) | 163 (67.6) | |||
| Female | 83 (29.1) | 78 (32.4) | |||
| Race, n (%) | 475 | .95b | |||
| White | 173 (67.8) | 150 (68.2) | |||
| Asian | 65 (25.5) | 54 (24.6) | |||
| Other/multiracial | 17 (6.7) | 16 (7.3) | |||
| Hispanic, Latino, or Spanish origin, n (%) | 476 | .32b | |||
| Hispanic or Latino | 8 (3.2) | 11 (4.9) | |||
| Non-Hispanic | 245 (96.8) | 212 (95.1) | |||
| Physician specialty, n (%) | 510 | .11b | |||
| Resident | 6 (2.2) | 11 (4.7) | |||
| Fellow | 39 (14.2) | 20 (8.5) | |||
| Medical oncologist and/or hematologist | 164 (59.9) | 133 (56.4) | |||
| Surgical oncologist | 10 (3.6) | 9 (3.8) | |||
| Radiation oncologist | 35 (12.8) | 46 (19.5) | |||
| Pathologist | 13 (4.7) | 13 (5.5) | |||
| None of the above | 7 (2.5) | 4 (1.7) | |||
| Years since completed residency/fellowship, n (%) | 510 | .10b | |||
| <5 | 85 (31.1) | 81 (34.2) | |||
| 5-9 | 51 (18.7) | 56 (23.6) | |||
| 10-15 | 50 (18.3) | 29 (12.2) | |||
| >15 | 64 (23.4) | 60 (25.3) | |||
| Other | 23 (8.4) | 11 (4.6) | |||
| Follow-up interval (days) | |||||
| Mean (SD) | 552 | 15.3 (3.0) | 15.2 (2.5) | .58c | |
| Median (IQR) | 14.2 (14.0-15.8) | 14.2 (14.0-15.5) | |||
a N is the number of nonmissing observations.
b The test used was Pearson chi-square test.
c The test used was Wilcoxon rank-sum test.