Table 1.

Demographic Data

Age Group, y	Subjects, no.	Men, no.	Weight, lb	BMI, kg/m2
18–20	12	3	153 ± 6.3	23.2 ± 0.58
21–30	13	7	157 ± 6.1	23.5 ± 0.80
31–40	13	7	163 ± 6.1	25.4 ± 0.81
41–50	10	6	164 ± 7.3	25.4 ± 0.86
51–60	14	12	184 ± 6.1	27.6 ± 1.35
61–70	14	12	187 ± 5.9	27.8 ± 0.61

Weight and body mass index (BMI) are expressed as mean ± SEM.