Table 1.
Characteristics of All Study Participantsa
| Total (N = 204) | BCS-PtDA (n = 102) | Control (n = 102) | |
|---|---|---|---|
| Age (years), median (IQR) | 40.0 (39.0, 42.0) | 40.0 (39.0, 42.0) | 40.0 (39.0, 42.0) |
| Missing | 0 | 0 | 0 |
| Lifetime breast cancer risk (NCI-BCRAT) (%), median (IQR) | 9.7 (9.2, 11.1) | 9.7 (9.1, 12.1) | 9.6 (9.3, 10.7) |
| Missing | 1 | 0 | 1 |
| Lifetime breast cancer risk (NCI-BCRAT) categories, n (%) | |||
| ≤12 | 162 (79.8) | 76 (74.5) | 86 (85.1) |
| >12 to ≤20 | 34 (16.7) | 21 (20.6) | 13 (12.9) |
| >20 | 7 (3.4) | 5 (4.9) | 2 (2.0) |
| Missing | 1 | 0 | 1 |
| Race, n (%) | |||
| Black | 132 (64.7) | 60 (58.8) | 72 (70.6) |
| White | 55 (27.0) | 32 (31.4) | 23 (22.5) |
| Asian | 6 (2.9) | 4 (3.9) | 2 (2.0) |
| Hispanic | 3 (1.5) | 2 (2.0) | 1 (1.0) |
| Other/unknown | 8 (3.9) | 4 (3.9) | 4 (3.9) |
| Clinic affiliation, n (%) | |||
| Family practice | 52 (25.6) | 27 (26.5) | 25 (24.8) |
| Internal medicine | 95 (46.8) | 47 (46.1) | 48 (47.5) |
| Ob/Gyn | 56 (27.6) | 28 (27.5) | 28 (27.7) |
| Missing | 1 | 0 | 1 |
| Mammography within 1 year, n (%) | |||
| No | 163 (79.9) | 82 (80.4) | 81 (79.4) |
| Yes | 41 (20.1) | 20 (19.6) | 21 (20.6) |
BCS-PtDA, breast cancer screening patient decision-aid; IQR, interquartile range; NCI-BCRAT, National Cancer Institute Breast Cancer Risk Assessment Tool.