Factors Associated with Longitudinal Changes in Mammographic Density in a Multiethnic Breast Screening Cohort of Postmenopausal Women

Table 4

Multivariate adjusted odds ratios and 95% confidence intervals of exhibiting an increase or decrease in the BI-RADS density category.

	Increase		Decrease
	OR (95% CI)	value	OR (95% CI)	value
Age at baseline	1.00 (0.984–1.017)	0.99	0.993 (0.977–1.009)	0.40
Hispanic	0.84 (0.576–1.225)	0.36	0.778 (0.547–1.105)	0.16
Non-Hispanic Asian	1.723 (1.212–2.449)	0.002	0.575 (0.400–0.826)	0.003
Non-Hispanic other/unknown	1.275 (0.713–2.281)	0.41	0.708 (0.346–1.450)	0.35
Menopause age 55 years and older	0.79 (0.506–1.232)	0.30	0.608 (0.377–0.979)	0.041
Overweight	0.754 (0.544–1.045)	0.09	1.352 (0.988–1.849)	0.059
Obese	0.438 (0.292–0.655)	<0.001	1.688 (1.155–2.468)	0.007