Table 1

Summary characteristics

	Girls		Boys
	n	Mean±SD	n	Mean±SD	P value
Weight (kg)	1113	54.9±12.0	1386	55.0±12.5	0.78
Height (cm)	1141	161.9±7.6	1392	166.0±9.2	<0.001
BMI z-score (WHO)	1111	0.3±1.2	1380	0.2±1.3	0.008
Grip strength (kg)	1144	24.4±5.4	1381	27.1±7.4	<0.001
Broad jump (cm)	1065	146.7±25.6	1305	168.2±28.6	<0.001
Total shuttles	1065	43.1±19.4	1251	62.3±26.2	<0.001
Ball catching (SDS)	947	−0.4±1	1148	0.4±0.9	<0.001

BMI, body mass index; n, sample size; SDS, SD score.