Table 3.

Logistic regression models predicting an accurate self-report of prior breast cancer (based on women with questionnaires from 1996–2006 in the Breast Cancer Surveillance Consortium; 24,631 women with a prior breast cancer; 20,303 with a prior invasive cancer, 4,328 with a prior DCIS)

Variable	Sensitivitya (All)		Sensitivitya (Invasive)		Sensitivitya (DCIS)
	OR	95% CI	OR	95% CI	OR	95% CI
Age at questionnaire, years
18–39	1.84	0.98–3.95	2.54	1.12–7.29	1.02	0.39–3.54
40–49	1.00		1.00		1.00
50–59	1.11	0.88–1.40	1.17	0.86–1.59	1.11	0.77–1.57
60–69	0.91	0.72–1.15	0.93	0.69–1.26	0.94	0.65–1.35
70–79	0.70	0.55–0.88	0.71	0.52–0.95	0.76	0.52–1.10
≥80	0.41	0.32–0.52	0.40	0.29–0.55	0.46	0.30–0.69
Race/ethnicity
White, non-Hispanic	1.00		1.00		1.00
African American, non-Hispanic	0.51	0.39–0.69	0.70	0.47–1.08	0.37	0.24–0.58
Hispanic	0.74	0.57–0.96	0.82	0.61–1.14	0.62	0.40–0.99
Asian/Pacific Islander	0.41	0.34–0.50	0.38	0.30–0.49	0.47	0.35–0.63
Native American	0.45	0.27–0.79	0.65	0.34–1.37	0.23	0.10–0.62
Mixed/other	0.61	0.40–0.99	0.60	0.36–1.09	0.69	0.34–1.59
Education
Some high school or less	1.00		1.00		1.00
High school graduate	1.45	1.19–1.77	1.68	1.32–2.14	1.07	0.75–1.52
Some college	1.96	1.59–2.42	2.16	1.67–2.80	1.61	1.11–2.32
College or postgraduate	2.11	1.71–2.58	2.26	1.76–2.91	1.81	1.26–2.57
Family history of breast cancer
No	1.00		1.00		1.00
Yes	1.45	1.23–1.71	1.66	1.34–2.09	1.17	0.91–1.51
Type of prior breast cancer (most advanced)
Invasive	3.54	3.10–4.04
DCIS	1.00
Time since most recent breast cancer, years
1–2	1.00		1.00		1.00
3–4	0.95	0.80–1.13	1.14	0.91–1.44	0.71	0.54–0.93
5–9	0.92	0.77–1.09	1.04	0.84–1.29	0.74	0.56–0.97
≥10	0.97	0.80–1.19	1.01	0.80–1.29	0.92	0.65–1.30

OR, odds ratio; CI, confidence interval; DCIS, ductal carcinoma in situ.

^aModel adjusts for mammography registry in addition to all factors listed in the table.