Table 3.
Odds ratios and 95% CIs for the association between ever use of genital powder overall and by race, stratified by histotype
| All cases | High-grade serous | All other histotypes | |||||
|---|---|---|---|---|---|---|---|
| Ever use of body powder in genital areas | Controls (%) | Cases (%) | MVa
OR (95% CI)b |
Cases (%) | MVa
OR (95% CI)b |
Cases (%) | MVa
OR (95% CI)b |
| All participants | |||||||
| No | 5403 (68.6) | 2373 (69.4) | 1.00 | 1451 (68.8) | 1.00 | 900 (70.2) | 1.00 |
| Yes | 2478 (31.4) | 1047 (30.6) | 1.32 (1.17–1.48) | 658 (31.2) | 1.32 (1.15–1.51) | 383 (29.8) | 1.29 (1.10–1.52) |
| African Americans | |||||||
| No | 756 (66.0) | 398 (64.2) | 1.00 | 255 (63.4) | 1.00 | 141 (65.3) | 1.00 |
| Yes | 390 (34.0) | 222 (35.8) | 1.22 (0.97–1.53) | 147 (36.6) | 1.31 (1.01–1.71) | 75 (34.7) | 1.05 (0.75–1.47) |
| Whites | |||||||
| No | 4647 (69.0) | 1975 (70.5) | 1.00 | 1196 (70.1) | 1.00 | 759 (71.1) | 1.00 |
| Yes | 2088 (31.0) | 825 (29.5) | 1.36 (1.19–1.57) | 511 (29.9) | 1.33 (1.12–1.56) | 308 (28.9) | 1.38 (1.15–1.66) |
a
MV=Multivariable
b
Adjusted for age (continuous), education (high school graduate/GED or less, some college, college graduate, graduate/professional school), duration of OC use (months, continuous), family history of breast cancer (no, yes), family history of ovarian cancer (no, yes), tubal ligation (yes, no), full term pregnancies (number of pregnancies ≥ 6 months, continuous), hysterectomy (no, yes), interview year (continuous), BMI (<25.0, 25.0–29.9, 30.0–34.9, ≥35.0), menopausal (premenopausal, postmenopausal), smoking (ever, never), study site (AACES, CCCS, NCOCS, LACOCS, WHI)