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A Nutritionist's Perspective on Behavioral Assessment.

Susan E Carlson

    Nestle Nutrition Institute Workshop Series
    |July 11, 2018
    PubMed
    Summary

    Nutrition and behavior research requires careful study design and collaboration. Meta-analyses of nutrient supplementation trials may obscure benefits in populations with marginal nutrient status.

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    Area of Science:

    • Nutritional Science
    • Behavioral Science
    • Public Health

    Background:

    • Nutrition is crucial for health and development, yet rigorous intervention trials are recent.
    • Studies linking nutrition and behavior are less common and require specialized methodologies.
    • Long-chain polyunsaturated fatty acids (LCPUFAs) are a key area of nutrition research with behavioral implications.

    Purpose of the Study:

    • To offer insights into common and unique challenges in nutrition research, particularly studies assessing behavioral outcomes.
    • To highlight the importance of interdisciplinary collaboration between nutritionists and behavioral scientists.
    • To discuss the interpretation of evidence from nutrient supplementation trials and meta-analyses.

    Main Methods:

    • Review of existing literature on nutrition intervention trials and nutrition-behavior studies.
    • Discussion of methodological considerations for assessing behavioral outcomes in nutrition research.
    • Expert perspective from a nutritionist with 20 years of collaboration with a behavioral scientist.

    Main Results:

    • Individual nutrition trials often yield variable results, complicating policy decisions.
    • Meta-analyses of nutrient supplementation can underestimate effects in populations with marginal nutrient status.
    • Collaboration with behavioral scientists is essential for valid assessment and interpretation of behavioral outcomes.

    Conclusions:

    • Nutrition research, especially concerning behavior, faces unique methodological hurdles.
    • Robust collaboration and careful study design are vital for advancing our understanding of nutrition's impact on behavior.
    • Stakeholders including industry, government, and academia play a role in advancing nutrition research and practice.

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