Table 2.

The mean Weight, Height, and BMI by ageseparated for menarcheand non-menarche groups

Age	Weight (Mean (SD))			Height (Mean (SD))			BMI (Mean (SD))
	Menarche	Non-menarche	P*	Menarche	Non-menarche	P	Menarche	Non-menarche	P
11	44.8 (3.2)	39.9 (7.3)	0.359	153.9 (1.0)	148.3 (8.7)	0.175	18.9 (1.1)	17.7 (1.8)	0.437
12	50.0 (7.9)	42.3 (11.2)	<0.001	153.1 (4.9)	148.7 (6.0)	<0.001	21.3 (2.9)	18.9 (3.9)	0.001
13	52.4 (11.6)	45.3 (10.9)	<0.001	155.3 ( 5.6)	151.8 (5.4)	<0.001	21.6 (4.1)	19.6 (4.0)	0.003
≥14	55.2 ( 13.2)	46.1 (7.8)	0.012	156.9 ( 5.4)	153.5 (7.2)	0.026	22.3 (4.9)	19.5 (2.6)	0.032

P values calculated using two independent sample t-test