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. 2019 Feb 5;109(2):457–469. doi: 10.1093/ajcn/nqy228

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© 2019 American Society for Nutrition.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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RRs and 95% CIs for pairwise comparisons of SGA by treatment arm, by site, and for combined sites (31). RRs with corresponding 95% CIs comparing proportions of SGA for the pairwise comparisons are obtained from generalized linear models with generalized estimating equations to estimate parameters while controlling for cluster correlations. For combined data, models are adjusted for country. Women First newborn measurements based on those with gestational age data. "All" comprised combined data from Pak, Ind, and Guat. Sample sizes for each arm within a site ranged as follows: n = 141–160 (Pak), n = 158–184 (Ind), n = 156–177 (Guat), and n = 459–517 (All). Guat, Guatemala; Ind, India; Pak, Pakistan; SGA, small for gestational age.