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Application of the Nutrition Functional Diversity indicator to assess food system contributions to dietary diversity and sustainable diets of Malawian households.
Public Health Nutr. 2015 Sep; 18(13):2479-87.PH

Abstract

OBJECTIVE

Dietary diversity is associated with nutrient adequacy and positive health outcomes but indicators to measure diversity have focused primarily on consumption, rather than sustainable provisioning of food. The Nutritional Functional Diversity score was developed by ecologists to describe the contribution of biodiversity to sustainable diets. We have employed this tool to estimate the relative contribution of home production and market purchases in providing nutritional diversity to agricultural households in Malawi and examine how food system provisioning varies by time, space and socio-economic conditions.

DESIGN

A secondary analysis of nationally representative household consumption data to test the applicability of the Nutritional Functional Diversity score.

SETTING

The data were collected between 2010 and 2011 across the country of Malawi.

SUBJECTS

Households (n 11 814) from predominantly rural areas of Malawi.

RESULTS

Nutritional Functional Diversity varied demographically, geographically and temporally. Nationally, purchased foods contributed more to household nutritional diversity than home produced foods (mean score=17·5 and 7·8, respectively). Households further from roads and population centres had lower overall diversity (P<0·01) and accessed relatively more of their diversity from home production than households closer to market centres (P<0·01). Nutritional diversity was lowest during the growing season when farmers plant and tend crops (P<0·01).

CONCLUSIONS

The present analysis demonstrates that the Nutritional Functional Diversity score is an effective indicator for identifying populations with low nutritional diversity and the relative roles that markets, agricultural extension and home production play in achieving nutritional diversity. This information may be used by policy makers to plan agricultural and market-based interventions that support sustainable diets and local food systems.

Authors+Show Affiliations

1School of Social Work,Tulane University,127 Elk Place,New Orleans,LA 70112,USA.2Agrobiodiversity and Ecosystem Service Program,Bioversity International,Montpellier,France.3Institute of Human Nutrition,Columbia University,New York,NY,USA.4Department of Global Community Health and Behavioral Sciences,Tulane University School of Public Health and Tropical Medicine,New Orleans,LA,USA.4Department of Global Community Health and Behavioral Sciences,Tulane University School of Public Health and Tropical Medicine,New Orleans,LA,USA.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Review

Language

eng

PubMed ID

26027595

Citation

Luckett, Brian G., et al. "Application of the Nutrition Functional Diversity Indicator to Assess Food System Contributions to Dietary Diversity and Sustainable Diets of Malawian Households." Public Health Nutrition, vol. 18, no. 13, 2015, pp. 2479-87.
Luckett BG, DeClerck FA, Fanzo J, et al. Application of the Nutrition Functional Diversity indicator to assess food system contributions to dietary diversity and sustainable diets of Malawian households. Public Health Nutr. 2015;18(13):2479-87.
Luckett, B. G., DeClerck, F. A., Fanzo, J., Mundorf, A. R., & Rose, D. (2015). Application of the Nutrition Functional Diversity indicator to assess food system contributions to dietary diversity and sustainable diets of Malawian households. Public Health Nutrition, 18(13), 2479-87. https://doi.org/10.1017/S136898001500169X
Luckett BG, et al. Application of the Nutrition Functional Diversity Indicator to Assess Food System Contributions to Dietary Diversity and Sustainable Diets of Malawian Households. Public Health Nutr. 2015;18(13):2479-87. PubMed PMID: 26027595.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Application of the Nutrition Functional Diversity indicator to assess food system contributions to dietary diversity and sustainable diets of Malawian households. AU - Luckett,Brian G, AU - DeClerck,Fabrice A J, AU - Fanzo,Jessica, AU - Mundorf,Adrienne R, AU - Rose,Donald, Y1 - 2015/06/01/ PY - 2015/6/2/entrez PY - 2015/6/2/pubmed PY - 2016/6/9/medline KW - Dietary diversity KW - Indicator KW - Malawi KW - Nutritional functional diversity KW - Sustainability SP - 2479 EP - 87 JF - Public health nutrition JO - Public Health Nutr VL - 18 IS - 13 N2 - OBJECTIVE: Dietary diversity is associated with nutrient adequacy and positive health outcomes but indicators to measure diversity have focused primarily on consumption, rather than sustainable provisioning of food. The Nutritional Functional Diversity score was developed by ecologists to describe the contribution of biodiversity to sustainable diets. We have employed this tool to estimate the relative contribution of home production and market purchases in providing nutritional diversity to agricultural households in Malawi and examine how food system provisioning varies by time, space and socio-economic conditions. DESIGN: A secondary analysis of nationally representative household consumption data to test the applicability of the Nutritional Functional Diversity score. SETTING: The data were collected between 2010 and 2011 across the country of Malawi. SUBJECTS: Households (n 11 814) from predominantly rural areas of Malawi. RESULTS: Nutritional Functional Diversity varied demographically, geographically and temporally. Nationally, purchased foods contributed more to household nutritional diversity than home produced foods (mean score=17·5 and 7·8, respectively). Households further from roads and population centres had lower overall diversity (P<0·01) and accessed relatively more of their diversity from home production than households closer to market centres (P<0·01). Nutritional diversity was lowest during the growing season when farmers plant and tend crops (P<0·01). CONCLUSIONS: The present analysis demonstrates that the Nutritional Functional Diversity score is an effective indicator for identifying populations with low nutritional diversity and the relative roles that markets, agricultural extension and home production play in achieving nutritional diversity. This information may be used by policy makers to plan agricultural and market-based interventions that support sustainable diets and local food systems. SN - 1475-2727 UR - https://www.unboundmedicine.com/medline/citation/26027595/Application_of_the_Nutrition_Functional_Diversity_indicator_to_assess_food_system_contributions_to_dietary_diversity_and_sustainable_diets_of_Malawian_households_ L2 - https://www.cambridge.org/core/product/identifier/S136898001500169X/type/journal_article DB - PRIME DP - Unbound Medicine ER -