Table 2. Basic characteristics of the subjects (mean±SD).

Variables	Father (n=400)	Mother (n=400)	Son (n=415)
Age (years)	61.1±7.1	58.4±6.3	30.4±6.1
Height (cm)	167.8±6.0	155.7±5.5	172.9±5.9
Weight (kg)	69.7±9.5	58.2±8.2	70.7±10.8
BMI (kg/m2)	25.2±2.7	24.0±3.1	24.2±3.2
Spine BMD (g/cm2)	1.139±0.171	0.992±0.168	1.138±0.137
Femoral neck BMD (g/cm2)	0.892±0.132	0.796±0.144	0.995±0.141
Total hip BMD (g/cm2)	0.958±0.138	0.852±0.162	1.008±0.142
FM (kg)	–	–	16.31±7.56
LM (kg)	–	–	51.43±5.76
PFM (%)	–	–	21.9±7.3