Table 1.

Demographic and anthropometric characteristics

	Boys	Girls	Total Cohort	p valueb
Age (years ± SD)	13.3 ± 1.7	13.3 ± 1.8	13.3 ± 1.8	0.927
Gender (n [%])	165 [51.7]	154 [48.3]	319 [100]	0.576
Ethnicity
Caucasian (n[%])	99 [49.3]	102 [50.7]	201 [63.0]	0.888
Hispanic (n [%])	66 [55.9]	52 [44.1]	118 [37.0]	0.231
Overweight
Caucasian (n[%])	31 [31.3]	29 [28.4]	60 [29.9]	0.770
Hispanic (n[%])	31 [47.0]c	23 [44.2]c	54 [45.8]c	0.912
Obese
Caucasian (n,[%])	13 [13.1]	14 [13.7]	27 [13.4]	1.000
Hispanic (n,[%])	21 [31.8]c	14 [26.9]c	35 [29.7]c	0.708
Standardized BMIa	0.526 ± 1.21	0.468 ± 1.10	0.498 ± 1.16	0.656
Triceps skinfold z-score	0.285 ± 0.743	0.0502 ± 0.634	0.172 ± 0.701	0.003
	Caucasians	Hispanics
BMI z-scorea	0.270 ± 1.18	0.885 ± 1.00		< 0.001
Triceps skinfold z-score	0.117 ± 0.669	0.265 ± 0.746		0.067

^aSee text for definition.

^bp values in this column represent comparisons between boys and girls.

^cp < 0.01-0.05 for comparisons between Caucasians and Hispanics.