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	Healthy Eating Index, 2020年版	妊婦食の質指標
分野	公衆栄養学	公衆栄養学
系統	Process / pipeline	Process / pipeline
提唱年	2020	2010
提唱者	USDA/NCI Dietary Assessment Shared Resource; Krebs-Smith et al.	Bodnar, Matus, Simhan; University of Pittsburgh
種類	Calculated from dietary intake data (24-hour recall or FFQ)	24-hour recall or food frequency questionnaire
原典	Guenther, P. M., Casavale, K. O., Reedy, J., & Kirkpatrick, S. I. (2021). Update of the Healthy Eating Index: HEI-2015. Journal of the Academy of Nutrition and Dietetics, 113(4), 569–580.	Bodnar, L. M., Matus, D. S., & Simhan, H. N. (2010). Maternal nutritional status and maternal-fetal transmission of lipophilic micronutrients. Clinical Obstetrics and Gynecology, 53(3), 621–630.
別名	HEI-2020, HEI, Healthy Eating Index 2020	MDQI, Maternal Diet Quality
関連	3	3
概要	The HEI-2020 is a composite score measuring diet quality based on adherence to the 2020–2025 Dietary Guidelines for Americans. Developed by USDA and the National Cancer Institute, the HEI evaluates 13 dietary components: adequacy of fruit, vegetables, grains, protein foods, dairy; moderation of saturated fat, added sugars, and sodium; and appropriate whole grain and polyunsaturated fat intakes. The HEI-2020 provides a single metric of overall diet quality suitable for population surveillance, research, and individual dietary assessment.	The Maternal Diet Quality Index (MDQI) is a composite measure of maternal nutrition that evaluates diet quality during pregnancy and postpartum using a scored framework. Adapted from general population dietary quality indices, the MDQI emphasizes nutrients critical for fetal development and maternal health: folate, iron, calcium, protein, and micronutrient-rich foods. Use in research and clinical nutrition assessment to characterize maternal diet quality and its associations with pregnancy outcomes and lactation.