Table 2.

Clinical Data for Unselected Twins and Subjects from EDAC Pedigrees

	Median (Interquartile Range),No. of Individuals among
Characteristic	Unselected Twins	EDAC Pedigrees
Age (years)	48.1 (15.6), 2,188	59.0 (16.1), 587a
Height (m)	1.63 (.09), 2,185	1.59 (.09), 535a
Weight (kg)	64.2 (14.3 ), 2,184	61.0 (14.0), 534a
BMI (kg/m2)	24.2 (5.3), 2,184	24.2 (5.4), 534
BMD (g/cm2):
Spine	1.005 (.186), 2,167	.795 (.210), 584a
Total hip	.925 (.172), 2,164	.757 (.186), 562a
Whole body	1.141 (.145), 2,168	N/A

^aP<.001.