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Nutritional Supplementation during the Preschool Years Influences Body Size and Composition of Guatemalan Adolescents^1,2,

Juan A. Rivera^*,3, Reynaldo Martorell, Marie T. Ruel, Jean-Pierre Habicht and Jere D. Haas

^* Centro de Investigaciones en Salud Pública, Instituto Nacional de Salud Pública, 62508 Cuernavaca, Morelos, Mexico Department of International Health, The Rollins School of Public Health of Emory University, Atlanta, GA 30322 Division of Nutrition and Health, Instituto de Nutrición de Centro América y Panamá, Guatemala City, Guatemala Division of Nutritional Sciences Cornell University, Ithaca, NY 14853-6301

Effects of supplementary feeding during early childhood on body size and composition at adolescence are examined in a population with marked growth failure in the first 3 y of life. The data came from a supplementation trial conducted in rural Guatemala from 1969 to 1977 and a 1988–89 follow-up study of the same subjects at adolescence. Two pairs of villages participated in the trial. One village from each pair received a high protein-energy supplement (Atole), which significantly improved dietary intakes, whereas the other village of the pair received a lowenergy, no-protein supplement (Fresco), which did not impact appreciably on dietary intakes. Children from Atole villages grew better during the preschool period than children from Fresco villages. At adolescence, subjects from Atole villages were taller, weighed more and had greater fat-free masses than subjects from Fresco villages. Differences in height at adolescence were slightly reduced in magnitude relative to differences at 3 y of age. However, differences in weight were increased in adolescence relative to 3 y of age.

KEY WORDS: • supplementation • growth • height • adolescence • rural Guatemala

¹ Presented in the symposium on Nutrition in Early Childhood and its Long-Term Functional Significance, FASEB, April 6, 1992, Anaheim, CA. Published as a supplement to The Journal of Nutrition. Guest editors for this supplemental publication were Reynaldo Martorell, The Rollins School of Public Health of Emory University, Atlanta, GA, and Nevin Scrimshaw, The United Nations University, Boston, MA.

² Data analyses were supported by NIH Grant HD22440 and by grant 92-02716-000 from the Pew Charitable Trusts.

³ To whom correspondence should be addressed: Centro de Investigaciones en Salud Pública, Instituto Nacional de Salud Pública, 62508 Cuernavaca, Morelos, Mexico.