Table 1.

Results of univariate and multivariate logistic regression analyses

Patients’ characteristics	Crude OR	95% CI	Adjusted ORa	95% CI
Percent knowledge scores
Age (years)
<50	1.0		1.0
50–59	1.1	0.5–2.3	0.9	0.2–3.2
60–69	1.0	0.5–1.9	1.2	0.3–4.1
≥70	0.4	0.2–1.0	0.4	0.1–2.0
Education
College	1.0		1.0
Elementary	0.1	0.1–0.3b	0.3	0.1–1.6
High school	0.2	0.1–0.4b	0.3	0.1–0.9b
Annual income
$≥30,000	1.0		1.0
<$20,000	0.1	0.0–0.2b	0.3	0.1–1.2
$20,000–$29,000	0.1	0.1–0.4b	0.3	0.1–1.9
Race/ethnicity
Caucasian	1.0		1.0
Hispanic	0.1	0.1–0.2b	0.4	0.1–1.7
African American	0.2	0.1–0.3b	0.5	0.2–1.3
Marital status
Single	1.0		1.0
Married	2.3	1.4–3.9b	1.6	0.6–4.4
Employment status
Employed	1.0		1.0
Homemaker/volunteer	0.4	0.2–0.9b	2.0	0.2–16.1
Retired	0.4	0.2–0.8b	0.8	0.1–4.3
Unemployed/unable to work	0.5	0.3–1.1	1.4	0.3–7.0
Health insurance
Private insurance	1.0		1.0
Medicare/Medicaid	0.1	0.0–0.3b	0.5	0.10–2.9
Medicaid only	0.0	0.0–0.1b	0.4	0.07–2.4
HRT use
Never	1.0		1.0
Former	1.6	0.9–2.9	1.5	0.6–3.7
Current	6.5	2.7–15.6b	2.0	0.5–7.7
Smoking
Never	1.0		1.0
Former	2.0	1.1–3.7b	2.3	0.8–6.8
Current	0.5	0.2–1.1	0.4	0.1–1.6
Number of mammograms in the past 5 years
<5	1.0		1.0
5 or more	1.8	1.1–3.1b	1.4	0.5–3.6
Perceived personal risk of BC
Age (years)
<50	1.0		1.0
50–59	0.9	0.5–1.9	0.9	0.4–2.0
60–69	1.1	0.5–2.1	1.0	0.4–2.1
≥70	1.0	0.4–2.2	0.7	0.3–1.8
Education
College	1.0		1.0
Elementary	0.4	0.2–0.7b	0.5	0.2–1.2
High school	0.6	0.3–1.1	0.6	0.3–1.3
Race/ethnicity
Caucasian	1.0		1.0
Hispanic	0.5	0.2–0.9b	1.0	0.3–2.5
African American	1.2	0.7–2.2	1.6	0.8–3.4
Smoking
Never	1.0		1.0
Former	2.0	1.1–3.5b	1.7	0.9–3.3
Current	1.3	0.6–2.6	1.1	0.5–2.5
Knowledge scores (%)
Less than average	1.0		1.0
Average or higher	1.7	1.0–2.8b	1.2	0.6–2.4
Family history of BC in FDRs
No	1.0		1.0
Yes	2.1	1.1–4.0b	1.8	0.9–3.5

CI confidence intervals, OR odds ratios, HRT hormone replacement therapy, BC breast cancer, FDR first-degree relative

^aAdjusted for all other covariates

^bStatistically significant