Table 5.

MLR results and SVR-linear feature weights by sex.

	BOYS							GIRLS
	Coefficient (95%CI)	Standard Error	Coefficient 1	t Stat	p Value	VIF	Feature Weights W 1	Coefficient (95%CI)	Standard Error	Coefficient 1	t Stat	p Value	VIF	Feature Weights W 1
Predictors
Intercept	13.509 (9.921;17.097)	1.829		7.368	<0.001		0.279	18.882 (15.997;21.798)						0.181
Overweight versus normal weight	−2.888 (−3.397;−2.379)	0.270	−2.888	−10.355	<0.001	1.015	−0.574	−1.219 (−1.640;−0.756)	0.231	−1.219	−5.275	<0.001	3.460	−0.316
Obese versus normal weight	−6.638 (−7.547;−5.723)	0.480	−6.638	−13.339	<0.001	1.041	−0.681	−2.646 (−3.465;−1.827)	0.425	−2.646	−6.228	<0.001	1.077	−0.553
Age	0.858 (0.650;1.068)	0.111	0.262	8.159	<0.001	1.324	0.292	0.223 (0.100;0.348)	0.065	0.095	3.149	0.002	1.054	0.115
Height	0.278 (0.241;0.313)	0.019	0.634	14.666	<0.001	3.137	0.583	0.235 (0.206;0.263)	0.014	0.602	15.951	<0.001	6.927	0.553
Weight	−0.368 (−0.394;−0.341)	0.015	−0.879	−25.588	<0.001	5.273	−0.927	−0.339 (−0.370;−0.307)	0.016	−0.893	−20.350	<0.001	9.340	−0.852
Football training/week	0.478 (0.309;0.446)	0.092	0.103	5.819	<0.001	1.273	0.107	NS		NS				-
Tracktraining/week	0.008 (0.0039;−0.012)	0.002	0.073	3.829	<0.001	1.029	0.020	0.436 (0.311;0.559)	0.065	0.099	6.487	<0.001	3.736	0.090
Swimming training/week	NS 2	-	NS	-		1.087		0.121 (0.015;0.243)	0.064	0.028	2.057	0.049	1.062	0.013
Basketball training/week	NS	-	NS			1.015		0.529	0.193	0.039	2.738	0.004	3.460	0.020
Maternal prepregnancy BMI category	NS		NS					−0.303	0.141	−0.303	−2.138	0.0326	1.077	−0.020

¹ Standardized for continuous variables. ² Non significant.