Table 1.

Descriptive statistics and number of participants for raw score and z-score height, weight, and BMI, Descriptive statistics and number of participants for analysis variables

Variable	N	Mean	SD
BMI 24mos raw score	1068	17.36	1.68
BMI 24mos z-score*	649	.52	1.07
BMI 36mos raw score	1049	16.61	1.67
BMI 36mos z-score	1049	.46	1.12
BMI 48mos raw score	1011	16.55	2.83
BMI 48mos z-score	1011	.56	1.24
BMI 60mos raw score	1036	16.60	2.39
BMI 60mos z-score	1036	.62	1.14
Weight 24mos kg raw score	1096	12.89	1.70
Weight 24mos z-score	1096	.17	1.15
Weight 36mos kg raw score	1057	15.23	2.23
Weight 36mos z-score	1057	.42	1.11
Weight 48mos kg raw score	1011	17.53	3.77
Weight 48mos z-score	1011	.45	1.09
Weight 60mos kg raw score	1036	20.26	4.04
Weight 60mos z-score	1036	.51	1.11
Height 24mos cm raw score	1075	86.11	3.95
Height 24mos z-score**	894	−.08	1.04
Height 36mos cm raw score	1055	95.61	4.24
Height 36mos z-score	1055	.13	1.03
Height 48mos cm raw score	1016	102.66	4.48
Height 48mos z-score	1016	.22	1.01
Height 60mos cm raw score	1042	110.14	5.68
Height 60mos z-score	1042	.32	1.07
Child age 24mos	1144	24.88	1.95
Child age 36mos	1123	37.05	1.75
Child age 48mos	1049	48.31	1.49
Child age 60mos	1099	60.62	3.26
EF EAP score 36mos	973	−0.54	0.54
EF EAP score 48mos	1009	−0.13	0.51
EF EAP score 60mos	1038	0.29	0.48
WPPSI-III Estimated Full-Scale IQ	1046	93.64	16.50

^*CDC reference data for BMI z-score are not available for children less than 24 months of age.

^**CDC reference data for z-score height are available only for 23.5 months of age and above.