Table 1. The number of the subjects and their physical characteristics.

Age	Total	Boys	Girls	Month age (yrs)	Height (cm)	Weight (kg)
(yr)	(N)	(N)	(N)	(M, mean±SD)	(cm, mean±SD)	(kg, mean±SD)
3	57	30	27	41.6±2.3	95.8±3.9	14.4±1.5
4	62	32	30	54.3±3.2	102.9±4.3	16.9±2.1
5	79	40	39	65.6±3.6	108.8±4.7	18.4±3.0
Total	198	102	96	55.1±10.3	103.2±6.8	16.7±2.9