Table 4.
Logistic regression model predicting an accurate self-report of no prior breast cancer (based on 463,804 women without a prior breast cancer having questionnaires from 1996–2006 in the Breast Cancer Surveillance Consortium)a
| Variable | OR | 95% CI |
|---|---|---|
| Age at questionnaire, years | ||
| 18–39 | 1.10 | 0.75–1.68 |
| 40–49 | 1.00 | |
| 50–59 | 0.78 | 0.67–0.92 |
| 60–69 | 0.53 | 0.45–0.63 |
| 70–79 | 0.37 | 0.31–0.43 |
| ≥80 | 0.24 | 0.20–0.29 |
| Race/ethnicity | ||
| White, non-Hispanic | 1.00 | |
| African American, non-Hispanic | 0.78 | 0.59–1.04 |
| Hispanic | 0.66 | 0.55–0.80 |
| Asian/Pacific Islander | 0.59 | 0.49–0.71 |
| Native American | 0.82 | 0.45–1.72 |
| Mixed/other | 0.74 | 0.53–1.08 |
| Education | ||
| Some high school or less | 1.00 | |
| High school graduate | 1.49 | 1.27–1.76 |
| Some college | 1.58 | 1.33–1.87 |
| College or postgraduate | 1.89 | 1.60–2.24 |
| Family history of breast cancer | ||
| No | 1.00 | |
| Yes | 0.66 | 0.59–0.74 |
| Prior breast procedure | ||
| No | 1.00 | |
| Yes | 0.15 | 0.13–0.16 |
| Evidence of prior LCIS | ||
| No | 1.00 | |
| Yes | 0.02 | 0.01–0.02 |
OR, odds ratio; CI, confidence interval; LCIS, lobular carcinoma in situ.
a
Model adjusts for mammography registry in addition to all factors listed in the table.