A comparison of breast density measures between mothers and adolescent daughters

BMC Cancer

Table 1 Characteristics of mothers and daughters

		Mothers	Daughters
N		101	113
Age (years)		47.7 ± 4.8	13.9 ± 1.7
Weight (kg)		70.8 ± 17.0	54.1 ± 14.3
Height (cm)		160.3 ± 7.3	157.4 ± 8.4
BMI (kg/m²)		27.5 ± 6.0	NA
BMI Z-score		NA	0.41 ± 1.02
% total body fat^b		39.7 ± 7.8	30.1 ± 9.1
Age at menarche (years)^c		12.5 ± 1.6	11.7 ± 1.1
Number of children		2.5 ± 1.0	---
Ethnicity, primary (N)	Caucasian	32	35
	Asian	46	41
	Other	23	37
Ethnic backgrounds reported, all or part^a	Caucasian	49	77
	Asian	64	83
	Other	33	53
Tanner stage for breast development (N)	1-2		17
	3		38
	4-5		58

^aAll reported ethnic backgrounds; therefore, total exceeds the number of subjects.
^bN = 100 for mothers with DXA % total body fat.
^cN = 80 who had reached menarche.

ISSN: 1471-2407