Table 1.

Number (N), mean and standard deviation (SD) of body mass index (BMI) and percent body fat (%BF) by sex and age.

Age	N	BMI (SD)	%BF (SD)
Girls
3	22	16.6 (1.7)	0.30 (0.13)
4	28	15.9 (1.4)	0.26 (0.14)
5	30	17.3 (3.4)	0.23 (0.15)
6	30	16.3 (1.7)	0.23 (0.04)
7	39	17.8 (3.6)	0.25 (0.13)
8	26	17.3 (3.0)	0.26 (0.08)
9	24	19.2 (2.6)	0.32 (0.07)
10	30	20.4 (3.8)	0.32 (0.10)
11	30	20.9 (3.9)	0.31(0.11)
12	28	22.0 (4.7)	0.32 (0.09)
13	34	22.1 (3.9)	0.33 (0.09)
14	37	23.8 (4.8)	0.37 (0.13)
15	23	23.0 (4.6)	0.33 (0.08)
16	24	25.7 (6.1)	0.33 (0.12)
Boys
3	28	16.1 (2.2)	0.24 (0.16)
4	25	16.6 (2.9)	0.22 (0.13)
5	28	16.5 (2.6)	0.18 (0.13)
6	28	16.3 (2.0)	0.24 (0.11)
7	22	17.8 (2.3)	0.27 (0.12)
8	40	18.3 (3.1)	0.26 (0.10)
9	46	20.4 (4.2)	0.31(0.10)
10	29	22.6 (5.3)	0.34 (0.10)
11	32	21.6 (4.5)	0.30 (0.11)
12	41	21.2 (4.9)	0.28 (0.10)
13	28	22.3 (4.1)	0.27 (0.10)
14	36	21.9 (4.9)	0.24 (0.12)
15	20	23.6 (4.1)	0.26 (0.10)
16	20	25.5 (4.6)	0.27 (0.09)