Table 2.

Multivariable associations of migration and linguistic acculturation with percent density

		Model 1^a		Model 2^b
	N	β	(95% CI)	β	(95% CI)
Linguistic Acculturation^c
Monolingual English	117	Ref		Ref
Bilingual	181	−3.34	(−6.57, −0.12)	−3.90	(−8.94, 1.14)
Monolingual Spanish	179	−5.09	(−8.33, −1.85)	−5.83	(−11.14, −0.51)
Nativity^c
U.S.-born	165	Ref		Ref
Foreign-born	312	−4.50	(−7.12, −1.89)	−4.84	(−8.78, −0.91)
Race/ethnicity and Nativity
U.S.-born white	49	1.16	(−4.22, 6.54)	1.28	(−4.32, 6.88)
U.S.-born African American	62	−0.44	(−5.53, 4.64)	0.23	(−4.92, 5.37)
U.S.-born Hispanic	54	Ref		Ref
Foreign-born Hispanic	312	−4.32	(−8.36, −0.27)	−4.54	(−8.68, −0.40)
Race/ethnicity and % Life Spent in the U.S.
U.S.-born white	49	1.19	(−5.49, 4.68)	1.18	(−4.41, 6.78)
U.S.-born African American	62	−0.41	(−4.19, 6.56)	0.30	(−4.84, 5.44)
U.S.-born Hispanic	54	Ref		Ref
Foreign-born, 50%–99%	178	−3.67	(−7.94, 0.61)	−3.77	(−8.15, 0.61)
Foreign-born, <50%	133	−5.10	(−9.48, −0.72)	−5.43	(−9.88, −0.97)
Race/ethnicity and Age at Migration to the United States
U.S.-born white	49	1.13	(−4.24, 6.51)	1.19	(−4.41, 6.79)
U.S.-born African American	62	−0.47	(−5.55, 4.61)	0.22	(−4.92, 5.36)
U.S.-born Hispanic	54	Ref		Ref
Foreign-born Hispanic, migrated < 20 years	93	−4.54	(−9.20, 0.13)	−4.32	(−9.05, 0.41)
Foreign-born Hispanic, migrated 20–29 years	128	−3.48	(−7.89, 0.94)	−3.92	(−8.44, 0.59)
Foreign-born Hispanic, migrated 30+ years	90	−5.37	(−10.10, −0.64)	−5.68	(−10.47, −0.90)

↵^aModel 1 is adjusted for age and BMI (kg/m²) at the time of mammogram.
↵^bModel 2 is adjusted by age, BMI (kg/m²) at the time of mammogram, parity, age at first birth, and childhood body size.
↵^cModel 2 is also adjusted for race/ethnicity.