Table 1.
Participant characteristics (All).
| 36 Never users |
17 Former users |
37 Current users |
||
|---|---|---|---|---|
| Characteristic | N (%) | N (%) | N (%) | p-valuea |
| Age at surgery | ||||
| >55 | 13 (36) | 6 (35) | 9 (24) | 0.58 |
| 55–65 | 11 (31) | 7 (41) | 18 (49) | |
| <65 | 12 (33) | 4 (24) | 10 (27) | |
| BMI | ||||
| <19 | 12 (33) | 4 (24) | 13 (35) | 0.87 |
| 19–25 | 12 (33) | 5 (29) | 11 (30) | |
| >25 | 12 (33) | 8 (47) | 13 (35) | |
| Race | ||||
| White | 29 (81) | 12 (80) | 30 (81) | 0.58 |
| Black | 6 (17) | 1 (7) | 5 (14) | |
| Other | 1 (3) | 2 (13) | 2 (5) | |
| Smoking Status | ||||
| Never | 20 (56) | 7 (41) | 19 (51) | 0.83 |
| Former | 13 (36) | 9 (53) | 16 (43) | |
| Current | 3 (8) | 1 (6) | 2 (5) | |
| Parity | ||||
| 0 | 10 (28) | 0 (0) | 6 (16) | 0.24 |
| 1 | 7 (19) | 2 (12) | 7 (19) | |
| 2 | 9 (25) | 11 (65) | 15 (41) | |
| >2 | 10 (28) | 4 (23) | 9 (24) | |
| Lactation | ||||
| No | 11 (42) | 3 (18) | 12 (38) | 0.22 |
| Yes | 15 (58) | 14 (82) | 19 (61) | |
| Reason for surgery | ||||
| Invasive | 25 (69) | 9 (53) | 22 (59) | 0.46 |
| In Situ | 7 (19) | 3 (18) | 10 (27) | |
| Benign | 1 (3) | 2 (12) | 3 (8) | |
| Prophylactic | 3 (8) | 2 (12) | 2 (5) | |
| Reduction | 0 | 1 (6) | 0 |
aP-values are from chi-square tests