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. Author manuscript; available in PMC: 2024 May 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2023 Nov 1;32(11):1524–1530. doi: 10.1158/1055-9965.EPI-23-0049

Table 2. Prevalence ratios and 95% bootstrap confidence intervals for BI-RADS dense versus nondense breasts by race and ethnicity.

Model Race/ethnicity Nondense
PR
Dense
PR
Unadjusteda NH Asian 0.62
(0.62, 0.63)
1.45
(1.44, 1.46)
NH Black 1.16
(1.15, 1.16)
0.81
(0.81, 0.82)
Hispanic/Latina 1.00
(1.00, 1.01)
0.99
(0.99, 1.00)
NH White 1.00
(1.00, 1.00)
1.00
(1.00, 1.00)
Partially
adjustedb
NH Asian 0.62
(0.62, 0.63)
1.48
(1.47, 1.49)
NH Black 1.15
(1.15, 1.16)
0.82
(0.81, 0.82)
Hispanic/Latina 1.06
(1.05, 1.07)
0.93
(0.92, 0.93)
NH White 0.98
(0.98, 0.99)
1.02
(1.02, 1.02)
Fully
adjustedc
NH Asian 0.84
(0.83, 0.85)
1.19
(1.19, 1.20)
NH Black 0.93
(0.93, 0.94)
1.08
(1.07, 1.08)
Hispanic/Latina 1.00
(0.99, 1.01)
1.00
(0.99, 1.01)
NH White 1.03
(1.03, 1.03)
0.96
(0.96, 0.97)

Abbreviations: NH, non-Hispanic/Latina; BI-RADS, Breast Imaging Reporting and Data System. PR, prevalence ratio=prevalence of racial/ethnic and density group relative to overall Breast Cancer Surveillance Consortium study population standardized to the US population

a

Unadjusted race/ethnicity.

b

Additionally adjusted for age (linear and quadratic) and menopausal status.

c

Additionally adjusted for body mass index (linear and quadratic).