No association of the polymorphisms of the frizzled-related protein gene with peak bone mineral density in Chinese nuclear families

Table 2 Basic characterstics of the study subjects

	Female-offspring nuclear families^a			Male-offspring nuclear families^b
	Father	Mother	Daughter	Father	Mother	Son
n	401	401	458	400	400	415
Age (years)	62.4 ± 6.6	62.4 ± 6.6	31.4 ± 5.8	61.1 ± 7.1	58.4 ± 6.3	30.4 ± 6.1
Height (cm)	165.7 ± 10.4	154.6 ± 5.6	159.8 ± 5.1	167.7 ± 6.1	155.9 ± 5.4	172.9 ± 5.9
Weight (kg)	68.3 ± 10.6	59.2 ± 8.6	55.0 ± 8.0	69.7 ± 9.5	58.3 ± 8.3	70.7 ± 10.8
Lumbar spine BMD (g/cm²)	0.930 ± 0.149	0.813 ± 0.151	0.960 ± 0.102	1.138 ± 0.171	0.994 ± 0.170	1.138 ± 0.137
Total hip BMD (g/cm²)	0.875 ± 0.123	0.749 ± 0.134	0.854 ± 0.108	0.966 ± 0.130	0.869 ± 0.149	1.015 ± 0.137
Femoral neck BMD (g/cm²)	0.750 ± 0.115	0.677 ± 0.122	0.776 ± 0.108	0.891 ± 0.132	0.797 ± 0.144	0.998 ± 0.143

All data are presented as mean ± SD for the raw phenotype values without adjustment.
^a Female-offspring families were measured by DXA on a Hologic QDR 2000.
^b Male-offspring families were measured by DXA on a Lunar Prodigy

ISSN: 1471-2350