Table 2.

Participants’ ages and anthropometric parameters by gender and school type.

Variable	School type	Gender	N	Mean	SD	Comparison
						t	p	Cohen’s d
Age (years)	Public	Male	946	14.75	1.55	−16.560	<0.001	0.778
		Female	930	15.86	1.29
		Total	1876	15.25	1.54
	Private	Male	564	14.36	1.42	−18.014	<0.001	1.174
		Female	375	15.93	1.25
		Total	939	15.13	1.55
	Public vs. Private	Male				4.897	<0.001	0.262
		Female				0.89	0.343	0.055
		Total				1.979	0.048	0.078
Height (cm)	Public	Male	946	150.96	15.34	−8.092	<0.001	0.374
		Female	930	155.39	6.84
		Total	1876	155.93	1.64
	Private	Male	564	141.78	9.39	−30.801	<0.001	1.422
		Female	375	158.84	6.37
		Total	939	144.43	0.97
	Public vs. Private	Male				12.860	<0.001	0.857
		Female				−8.420	<0.001	0.561
		Total				23.330	<0.001	0.936
Weight (kg)	Public	Male	946	46.64	17.30	−1.478	0.140	0.068
		Female	930	47.62	10.89
		Total	1876	47.125	14.02
	Private	Male	564	41.58	12.84	−8.952	<0.001	0.413
		Female	375	48.03	6.69
		Total	939	44.152	11.263
	Public vs. Private	Male				6.030	<0.001	0.402
		Female				−0.67	0.503	0.045
		Total				5.985	<0.001	0.239
BMI (kg/m2)	Public	Male	946	19.97	4.95	1.479	0.139	0.068
		Female	930	19.67	4.03
		Total	1876	19.821	4.518
	Private	Male	564	20.52	5.38	5.121	<0.001	0.236
		Female	375	19.02	2.25
		Total	939	19.922	4.462
	Public vs. Private	Male				−2.010	0.044	0.134
		Female				2.930	0.003	0.195
		Total				−0.561	0.575	0.022
PBF (%)	Public	Male	946	14.21	5.80	−38.968	<0.001	1.800
		Female	930	26.50	7.71
		Total	1876	20.301	9.173
	Private	Male	564	15.68	6.47	−13.529	<0.001	0.625
		Female	375	20.45	2.72
		Total	939	17.586	5.788
	Public vs. Private	Male				−4.560	<0.001	0.304
		Female				14.810	<0.001	0.987
		Total				9.567	<0.001	0.382
FM (kg)	Public	Male	946	7.35	<0.001	−19.633	<0.001	0.907
		Female	930	13.33	7.40
		Total	1876	10.315	7.227
	Private	Male	564	7.25	5.79	−8.540	<0.001	0.394
		Female	375	9.97	2.66
		Total	939	8.336	4.973
	Public vs. Private	Male				0.340	0.732	0.023
		Female				8.560	<0.001	0.570
		Total				8.504	<0.001	0.340
FFM (kg)	Public	Male	946	39.29	<0.001	11.640	<0.001	0.538
		Female	930	34.29	4.45
		Total	1876	36.811	9.678
	Private	Male	564	34.33	7.70	−8.559	<0.001	0.395
		Female	375	38.05	4.21
		Total	939	35.816	6.778
	Public vs. Private	Male				8.560	<0.001	0.570
		Female				−14.040	<0.001	0.936
		Total				3.165	0.002	0.125

BMI, body mass index; FM, fat mass; FFM, fat-free mass; PBF, percentage body fat; SD, standard deviation.