Table 4.

Adolescent body composition outcomes by estimated length-for-age and weight-for-length values at birth, and slope of change in length-for-age and weight-for-length during early childhood; 2008-2009, Lima, Peru.

	Fat mass index (95% CI)	p	Fat free mass index (95% CI)	p	% Body Fat (95% CI)	p
Boys
Length-for-age at birth (per SD)	0.5 (−0.0 to 1.0)	0.06	0.5 (0.1 to 0.9)	0.01	1.3 (−0.3 to 2.9)	0.11
Change in length-for-age 0-29 mo (per SD/30 mo)	0.3 (−0.0 to 0.7)	0.07	0.4 (0.1 to 0.7)	<0.01	0.7 (−0.4 to 1.8)	0.19
Weight-for-length at birth (per SD)	1.0 (0.2 to 1.7)	<0.01	1.0 (0.5 to 1.6)	<0.001	3.0 (0.9 to 5.1)	<0.01
Change in weight-for-length 0-5 months (per SD/6 mo)	1.2 (0.6 to 1.9)	<0.001	1.1 (0.6 to 1.5)	<0.001	3.8 (1.9 to 5.7)	<0.001
Change in weight-for-length 6-30 months (per SD/24 mo)	0.3 (−0.4 to 1.0)	0.42	0.6 (0.1 to 1.1)	0.03	0.7 (−1.4 to 2.8)	0.51
Girls
Length-for-age at birth (per SD)	0.7 (0.1 to 1.3)	0.03	0.1 (−0.2 to 0.4)	0.58	2.1 (0.4 to 3.8)	0.02
Change in length-for-age 0-29 mo (per SD/30 mo)	0.5 (−0.1 to 1.1)	0.13	0.1 (−0.2 to 0.5)	0.50	1.4 (−0.3 to 3.2)	0.11
Weight-for-length at birth (per SD)	1.0 (0.1 to 1.9)	0.03	0.7 (0.3 to 1.2)	<0.01	2.8 (0.3 to 5.3)	0.03
Change in weight-for-length 0-5 months (per SD/6 mo)	1.1 (0.3 to 1.9)	0.01	0.7 (0.2 to 1.1)	<0.01	3.2 (1.0 to 5.5)	0.01
Change in weight-for-length 6-30 months (per SD/24 mo)	1.0 (0.1 to 2.0)	0.04	0.5 (−0.0 to 1.0)	0.06	3.2 (0.4 to 5.9)	0.03