A Meta-Evaluation of Nutrition Education Intervention Research among Pregnant Women

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Abstract
Inadequate nutrition during pregnancy retards human fetal growth and increases the risk of delivering a low birthweight (LBW) infant. Some studies place particular emphasis on reducing LBW through improved nutrition. Consensus documents have strongly recommended intense nutrition education programs for patients at risk. Despite this well-defined need few methodologically rigorous studies have been conducted to evaluate the behavioral impact of nutrition education for pregnant patients. Criteria are recommended in the following areas: (1) research design, (2) sample size and power, (3) specification of population characteristics, (4) measurement quality, and (5) replication. The methodological quality of completed evaluations are reviewed using these criteria. The authors advocate guidelines for future investigators for conducting rigorous trials in this critical public health area.