Table 1. Anthropometric descriptives. Mean and standard deviation are shown for stature, body mass, body mass index (BMI), percentage fat, fat mass and fat free mass for different age groups and for boys and girls separately. Data are means (±SD).
Age (yrs) n Height
(m)		 Body mass (kg) BMI
(kg∙m-2)		 Fat
(%)		 FM
(kg)		 FFM
(kg)
♂ 10-11 76 1.51(.07) 39.6 (7.5) 17.27 (2.30) 17.18 (6.23) 7.1 (3.9) 32.5 (4.5)
12-13 99 1.58(.09) 46.0(10.7) 18.20 (3.08) 17.33 (6.07) 8.5 (5.0) 37.6 (6.7)
14-15 93 1.75(.08) 60.0(11.3) 19.47 (2.66) 15.59 (3.53) 9.6 (3.9) 50.4 (8.3)
♀ 10-11 87 1.51(.08) 40.5 (8.6) 17.68 (2.82) 24.93 (6.88) 10.6 (5.1) 30.0 (4.4)
12-13 78 1.60(.07) 47.7 (8.4) 18.63 (2.73) 25.58 (6.21) 12.65 5.0) 35.1 (4.5)
14-15 69 1.67(.06) 56.9 (9.1) 20.51 (2.83) 22.93 (4.04) 13.3 (4.3) 43.6 (5.3)