Table 2.

Weight gain from birth to 2 years and BMI between 2·5 and 4 years in a retrospective cohort of low-income, non-Latino and Latino children born in 2003–2004 in Baltimore, MD, USA

	Boys						Girls
	Non-Latino (n 130)			Latino (n 107)			Non-Latino (n 123)			Latino (n 103)
	Mean	sd	N	Mean	sd	N	Mean	sd	N	Mean	sd	N
Weight (kg)
>0 to 0·5 years	6·12	1·29	234	6·61	1·35	196	5·96	1·22	222	6·13	1·24	193
>0·5 to 1·0 years	8·67	1·25	187	9·17	1·19	173	8·34	1·35	198	8·59	1·19	159
>1·0 to 1·5 years	10·44	1·32	180	10·71	1·37	169	10·27	1·63	190	10·03	1·35	150
>1·5 to 2·0 years	11·79	1·61	80	11·98	1·56	86	11·26	1·70	89	11·71	1·90	81
WLZ
>0 to 0·5 years	−0·38	1·22	234	0·10	1·14	196	−0·25	1·22	222	−0·20	1·04	193
>0·5 to 1·0 years	−0·34	1·29	187	0·22	1·18	173	−0·04	1·37	198	0·17	1·10	159
>1·0 to 1·5 years	−0·29	1·27	180	0·19	1·28	169	0·01	1·36	190	−0·02	1·29	150
>1·5 to 2·0 years	0·00	1·31	80	0·34	1·30	86	−0·13	1·34	89	0·31	1·48	81
BMI (kg/m2)
>2·5 to 4·0 years	16·41	1·54	92	17·30	2·24	99	16·34	1·62	90	17·29	2·15	97
BMIZ
>2·5 to 4·0 years	0·16	1·20	92	0·75	1·35	99	0·27	1·10	90	0·83	1·24	97
	%	n		%	n		%	n		%	n
BMI classification
>2·5 to 4·0 years
Normal	80·0	92	–	62·0	62	–	66·4	71	–	61·3	57	–
Overweight	14·8	17	–	25·0*	25	–	28·0	30	–	21·5	20	–
Obese	5·2	6	–	13·0*	13	–	5·6	6	–	17·2*	16	–

n, number of children; N, number of observations; WLZ, weight-for-length Z-score; BMIZ, BMI Z-score.

*Latino boys and girls had a significantly higher proportion of overweight/obesity than non-Latino boys and girls: P<0·05.