TABLE 5.

Differential impacts of providing the FFR compared with the RFR or NFR as the family ration size in the PROCOMIDA program on Guatemalan children's growth¹

	FFR + CSB	RFR + CSB		NFR + CSB
	(n = 576)	(n = 575)	Impact estimate (RFR vs. FFR)2	(n = 542)	Impact estimate (NFR vs. FFR)2
Stunted (length-for-age z score <−2)
1 mo	14.58	14.98	1.00	17.25	3.67
4 mo	19.06	18.29	−0.15	19.56	1.40
6 mo	22.36	23.48	1.68	25.83	4.37
9 mo	28.77	34.67	6.47*	35.42	7.54*
12 mo	37.91	44.87	7.39*	40.48	3.14
18 mo	53.57	61.22	7.85	56.09	3.11
24 mo	50.00	59.16	9.68*	56.32	6.85
Length-for-age z score
1 mo	−0.99 ± 1.00	−1.02 ± 1.00	−0.05 ± 0.07	−1.11 ± 1.06	−0.16 ± 0.08
4 mo	−1.14 ± 1.09	−1.18 ± 1.04	−0.06 ± 0.07	−1.18 ± 1.04	−0.07 ± 0.07
6 mo	−1.34 ± 1.01	−1.37 ± 1.00	−0.04 ± 0.07	−1.39 ± 0.99	−0.08 ± 0.07
9 mo	−1.58 ± 0.98	−1.65 ± 0.99	−0.09 ± 0.07	−1.63 ± 0.99	−0.08 ± 0.08
12 mo	−1.74 ± 0.96	−1.89 ± 0.97	−0.16 ± 0.08*	−1.82 ± 1.00	−0.09 ± 0.07
18 mo	−2.07 ± 0.91	−2.23 ± 0.92	−0.16 ± 0.07*	−2.16 ± 0.96	−0.10 ± 0.08
24 mo	−2.04 ± 0.89	−2.23 ± 0.93	−0.20 ± 0.08**	−2.16 ± 0.97	−0.13 ± 0.08
Length-for-age-difference
1 mo	−1.94 ± 1.96	−1.99 ± 1.96	−0.12 ± 0.15	−2.18 ± 2.08	−0.33 ± 0.17
4 mo	−2.42 ± 2.31	−2.50 ± 2.19	−0.14 ± 0.15	−2.52 ± 2.20	−0.16 ± 0.16
6 mo	−2.95 ± 2.21	−2.99 ± 2.18	−0.10 ± 0.16	−3.06 ± 2.17	−0.18 ± 0.16
9 mo	−3.66 ± 2.25	−3.82 ± 2.26	−0.21 ± 0.16	−3.79 ± 2.30	−0.20 ± 0.18
12 mo	−4.30 ± 2.35	−4.65 ± 2.37	−0.39 ± 0.19*	−4.50 ± 2.47	−0.24 ± 0.18
18 mo	−5.79 ± 2.50	−6.22 ± 2.55	−0.45 ± 0.21*	−6.05 ± 2.69	−0.29 ± 0.22
24 mo	−6.49 ± 2.77	−7.05 ± 2.89	−0.61 ± 0.24**	−6.83 ± 3.03	−0.38 ± 0.26

¹Values are percentages of means ± SDs unless otherwise indicated. CSB, corn-soy blend; FFR, full family ration; NFR, no family ration; RFR, reduced family ration.

²Values are coefficients ± SEMs from linear mixed model, test of simple effects comparing RFR + CSB and NFR + CSB with FFR + CSB. *P < 0.05, **P < 0.01.