Table 1. Baseline characteristics of randomized participants (n = 130).
| Characteristic | mean± SDor n (%) | |
|---|---|---|
|
| ||
| Placebo n = 65 |
DIM n = 65 |
|
| Age at baseline (y) | 52.7 ± 9.0 | 53.3 ± 9.7 |
| Time since diagnosis (y) | 2.2 ± 1.6 | 3.4 ± 5.1 |
| Time on tamoxifen (y) | 1.5 ± 1.6 | 1.9 ± 3.5 |
| BMI (kg/m2) | 26.4 ± 5.5 | 26.5 ± 5.4 |
| Ethnicity | ||
| Hispanic | 7 (10.8) | 10 (15.4) |
| Non-Hispanic | 58 (89.2) | 55 (84.6) |
| Race | ||
| White | 61 (93.9) | 61 (93.9) |
| Asian | 2 (3.08) | 1 (1.54) |
| Black or African American | 1 (1.54) | 2 (3.08) |
| Native Hawaiian or other Pacific Islander | 1 (1.54) | 0 (0.00) |
| American Indian or Alaska Native | 0 (0.00) | 1 (1.59) |
| Education | ||
| ≤ High school | 6 (9.23) | 7 (10.8) |
| Some college / college graduate | 35 (53.9) | 33 (50.8) |
| Some post-graduate / post-graduate degree | 24 (36.9) | 25 (38.5) |
| Smoking status | ||
| Never smoker | 44 (67.7) | 44 (67.7) |
| Former smoker | 18 (27.7) | 19 (29.2) |
| Current smoker | 3 (4.62) | 2 (3.08) |
| Stage at diagnosis | ||
| No diagnosis (primary prevention) | 3 (4.62) | 2 (3.08) |
| 0 (DCIS) | 8 (12.3) | 10 (15.4) |
| I | 29 (44.6) | 29 (44.6) |
| II | 18 (27.7) | 20 (30.8) |
| IIIa | 7 (10.8) | 3 (4.62) |
| Don't know | 0 (0.00) | 1 (1.54) |
| Radiation therapy | 42 (64.6) | 48 (73.9) |
| Chemotherapy | 23 (35.4) | 17 (26.2) |