期刊
AMERICAN JOURNAL OF CLINICAL NUTRITION
卷 102, 期 1, 页码 138-145出版社
AMER SOC NUTRITION-ASN
DOI: 10.3945/ajcn.114.090639
关键词
climate; diet quality; food prices; prevention; public health
资金
- British Heart Foundation (BHF)
- Economic and Social Research Council
- Medical Research Council
- National Institute for Health Research
- Wellcome Trust under the UK Clinical Research Collaboration
- BHF [021/P&C/Core/2010/HPRG]
- Oxford Martin School
- ESRC [ES/G007462/1] Funding Source: UKRI
- MRC [MC_UU_12015/1, MR/K023187/1, MR/K021796/1] Funding Source: UKRI
- British Heart Foundation [FS/13/37/30295] Funding Source: researchfish
- Economic and Social Research Council [ES/G007462/1] Funding Source: researchfish
- Medical Research Council [MR/K023187/1, MC_UU_12015/1, MR/K021796/1, MC_U106179471] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0512-10135] Funding Source: researchfish
Background: The Dietary Approaches to Stop Hypertension (DASH) diet is a proven way to prevent and control hypertension and other chronic disease. Because the DASH diet emphasizes plant-based foods, including vegetables and grains, adhering to this diet might also bring about environmental benefits, including lower associated production of greenhouse gases (GHGs). Objective: The objective was to examine the interrelation between dietary accordance with the DASH diet and associated OHGs. A secondary aim was to examine the retail cost of diets by level of DASH accordance, Design: In this cross-sectional study of adults aged 39-79 y from the European Prospective Investigation into Cancer and Nutrition Norfolk, United Kingdom cohort (n = 24,293), dietary intakes estimated from food-frequency questionnaires were analyzed for their accordance with the 8 DASH food and nutrient-based targets. Associations between DASH accordance, GHGs, and dietary costs were evaluated in regression analyses. Dietary GHGs were estimated with United Kingdom-specific data on carbon dioxide equivalents associated with commodities and foods. Dietary costs were estimated by using national food prices from a United Kingdom based supermarket comparison website. Results: Greater accordance with the DASH dietary targets was associated with lower GHGs. Diets in the highest quintile of accordance had a GHG impact of 5.60 compared with 6.71 kg carbon dioxide equivalents/d for least-accordant diets (P < 0.0001). Among the DASH food groups, GHGs were most strongly and positively associated with meat consumption and negatively with whole-grain consumption. In addition, higher accordance with the DASH diet was associated with higher dietary costs, with the mean cost of diets in the top quintile of DASH scores 18% higher than that of diets in the lowest quintile (P < 0.0001). Conclusions: Promoting wider uptake of the DASH diet in the United Kingdom may improve population health and reduce diet-related GHGs. However, to make the DASH diet more accessible, food affordability, particularly for lower income groups, will have to be addressed.
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