Three-month nutritional supplementation in Indonesian infants and toddlers benefits memory function 8 y later

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ABSTRACT

Does short-term supplementary feeding during infancy and childhood have long-lasting effects? In 1986, 334 children aged 6-60 mo living on rural tea plantations in West Java, Indonesia, participated in a 3-mo randomized trial to test the effects of a dietary supplement providing approximately 1672 kJ (400 kcal) energy/d, with about the same nutrient density as local foods. We returned to the same communities in 1994 and enrolled 231 (125 supplemented, 106 control) of the original subjects in a follow-up study of the long-term effects of supplementation. We assessed these subjects by using several measures: anthropometry, iron status, information processing, Peabody Picture Vocabulary Test, word fluency, and an arithmetic test. The supplemented group showed no differences from those in the control group. However, when the analysis was limited to subjects who had received the supplement before the age of 18 mo (n = 73), the supplemented children performed better than control children on the Sternberg test of working memory (decision time intercept: probe absent, P = 0.002; probe present, P = 0.053). After considering possible confounders, we concluded that the supplementation during infancy was responsible for the difference. This finding shows that supplementation can have long-lasting effects on a specific domain if the child receives it at the appropriate stage of development.

This study sought to determine whether short-term supplementary feeding during infancy and childhood has long-lasting effects. In 1986, 334 children aged 6-60 months living on rural tea plantations in West Java, Indonesia, participated in a 3-month randomized trial to test the effects of a dietary supplement providing approximately 1672 kJ (400 kcal) energy/day, with about the same nutrient density as local foods. The authors returned to the same communities in 1994 and enrolled 231 (125 supplemented, 106 control) of the original subjects in a follow-up study of the long-term effects of supplementation. They assessed these subjects by using several measures: anthropometry, iron status, information processing, Peabody Picture Vocabulary Test, word fluency, and an arithmetic test. The supplemented group showed no differences compared to the control group. However, when the analysis was limited to subjects who had received the supplement before the age of 18 months (n = 73), the supplemented children performed better than control children on the Sternberg test of working memory (decision time intercept: probe absent, P = 0.002; probe present, P = 0.053). After considering possible confounders, the authors concluded that the supplementation during infancy was responsible for the difference. This finding shows that supplementation can have long-lasting effects on a specific domain, if the child receives it at the appropriate stage of development.

This study sought to determine whether short-term supplementary feeding during infancy and childhood has long-lasting effects. In 1986, 334 children aged 6-60 months living on rural tea plantations in West Java, Indonesia, participated in a 3-month randomized trial to test the effects of a dietary supplement providing approximately 1672 kJ (400 kcal) energy/day, with about the same nutrient density as local foods. The authors returned to the same communities in 1994 and enrolled 231 (125 supplemented, 106 control) of the original subjects in a follow-up study of the long-term effects of supplementation. They assessed these subjects by using several measures: anthropometry, iron status, information processing, Peabody Picture Vocabulary Test, word fluency, and an arithmetic test. The supplemented group showed no differences compared to the control group. However, when the analysis was limited to subjects who had received the supplement before the age of 18 months (n = 73), the supplemented children performed better than control children on the Sternberg test of working memory (decision time intercept: probe absent, P = 0.002; probe present, P = 0.053). After considering possible confounders, the authors concluded that the supplementation during infancy was responsible for the difference. This finding shows that supplementation can have long-lasting effects on a specific domain, if the child receives it at the appropriate stage of development.

Key Words

Age Factors
Anthropometry
Asia
Biology
Case Control Studies
Child
Child Development
Child Nutrition
Demographic Factors
Developing Countries
Diet
Follow-up Studies
Health
Indonesia
Infant
Infant Nutrition
Measurement
Nutrition
Population
Population Characteristics
Research Methodology
Research Report
Rural Population
Southeastern Asia
Studies
Supplementary Feeding
Youth

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