Table 3.

Univariate and multivariate ORs of participant characteristics associated with enrollment in the ENGAGED 2 study

Characteristic	Unadjusted OR (95% CI)	Adjusted OR (95% CI)a
Age (continuous)	1.04 (1.02-1.05)	1.04 (1.02-1.06)
Age group
40-49	1.0	N/A
50-59	1.30 (0.75-2.26)
60-69	1.73 (1.01-2.97)
Race
White, non-Hispanic	1.0	1.0
Black, non-Hispanic	0.50 (0.29-0.84)	0.50 (0.29-0.87)
Hispanic	0.71 (0.39-1.30)	0.77 (0.41-1.45)
Asian/Pacific Islander	0.21 (0.12-0.38)	0.22 (0.12-0.41)
Mixed/other	1.10 (0.25-4.93)	0.96 (0.21-4.40)
Education
HS/GED or less	1.0	1.0
Some college	1.90 (1.29-2.82)	1.99 (1.34-2.96)
College graduate	3.04 (2.10-4.40)	3.35 (2.29-4.90)
Missing	1.01 (0.53-1.92)	1.29 (0.67-2.48)
Menopausal status
Postmenopausal	1.0	1.0
Premenopausal	0.70 (0.52-0.93)	1.03 (0.73-1.47)
Breast density
Heterogeneously dense	1.0	1.0
Extremely dense	0.70 (0.60-0.82)	0.86 (0.68-1.07)
Family history
No	1.0	1.0
Yes	1.08 (0.92-1.28)	1.20 (0.94-1.53)
Unknown	0.70 (0.52-0.95)	0.74 (0.54-1.03)
Prior biopsy result
No	1.0	1.0
Yes	1.04 (0.88-1.23)	1.18 (0.93-1.50)
Unknown	1.00 (0.70-1.42)	1.18 (0.81-1.73)
Income
< $70,000	1.0	1.0
$70,000 to < $90,000	1.12 (0.89-1.43)	1.06 (0.83-1.36)
$90,000 to < $110,000	1.19 (0.94-1.51)	1.13 (0.88-1.45)
$110,000 to < $130,000	0.98 (0.75-1.29)	0.90 (0.67-1.21)
$130,000+	0.92 (0.70-1.21)	0.91 (0.67-1.23)
Unknown	0.89 (0.61-1.30)	0.86 (0.58-1.28)
Five-year risk
1.67-2.49	1.0	1.0
> 2.50	1.40 (1.17-1.67)	0.78 (0.56-1.09)

^a Adjusted for age (continuous), race, family history, biopsy history, income, 5-year risk, facility, education, menopausal status, and density.