Table 1. WFBC Study Population Characteristicsa.
| characteristic | OWs (n = 79) | FFs (n = 83) | p-valueb |
|---|---|---|---|
| Age | |||
| mean ± SD | 48.1 ± 10.6 | 47.9 ± 8.4 | 0.4 |
| Race/Ethnicity n (%) | |||
| non-Hispanic Asian | 17 (22) | 13 (16) | 0.3 |
| non-Hispanic blacks | 5 (6) | 9 (11) | |
| Hispanics of all races | 7 (9) | 8 (9) | |
| multiracial | 10 (13) | 16 (19) | |
| non-Hispanic whites | 40 (50) | 37 (45) | |
| Education n (%) | |||
| high school or less | 5 (6) | 6 (7) | <0.001 |
| some college | 10 (13) | 40 (48) | |
| college graduates or higher | 64 (81) | 37 (45) | |
| BMI | |||
| mean (SD) | 25.8 (5.2) | 26.2 (3.5) | 0.2 |
| Household Income n (%) | |||
| <$99,999 | 23 (29) | 1 (1) | <0.001 |
| $100,000–174,999 | 18 (23) | 29 (35) | |
| $175,000–199,999 | 12 (15) | 17 (20) | |
| >$200,000 | 26 (33) | 36 (44) | |
| Menopausal Status n (%) | |||
| premenopausal | 44 (56) | 62 (75) | 0.007 |
| postmenopausal | 35 (44) | 21 (25) | |
| Hormone Usecn (%) | |||
| never | 19 (26) | 16 (20) | 0.6 |
| during the past | 38 (53) | 46 (60) | |
| currently | 15 (21) | 15 (20) | |
| Parity(# of Live Births)n (%) | |||
| 0 | 36 (46) | 34 (41) | 0.3 |
| 1 | 18 (23) | 15 (18) | |
| >1 | 25 (31) | 34 (41) | |
a
SD: Standard deviation.
b
Wilcoxon rank sum test to compare continuous variables by FF status or Fisher test for categorical variables.
c
Missing data on hormone use for 6 FFs and 7 OWs.