Relationship between Geographical Factor-induced Food Availability and Food Intake Status: A Systematic Review

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  • 地理的要因における食物入手可能性と食物摂取状況との関連についての系統的レビュー
  • チリテキ ヨウイン ニ オケル ショクモツ ニュウシュ カノウセイ ト ショクモツ セッシュ ジョウキョウ ト ノ カンレン ニ ツイテ ノ ケイトウテキ レビュー

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Abstract

Objective: The objective of this study was to evaluate the relationship between geographical factor-induced food availability (distance from participants' home to stores and types of stores) and food intake status.<br>Methods: We accessed the PubMed database and searched for relevant articles using the following keywords: “food” [MeSH] OR “nutrient” AND “environment” [MeSH] OR “availability” AND “diet” [MeSH] OR “intake.” Among the 238 articles retrieved, we excluded the following: studies targeting non-human subjects, studies on issues of developing countries, and studies with different purposes such as nutritional and physiological research. After carefully reading the full texts of the qualified 48 articles, we finally included 12 for analysis.<br>Results: Studies assessed distance as one of the geographical factors. We found seven studies employed a 800 meter radius (0.5 miles) as a criteria for walking distance from home to store. Types of food stores included: supermarkets (5 articles), fast-food stores (5 articles), food outlet stores (2 articles), convenience stores (2 articles), and others. The results indicated that supermarkets had a positive relationship with vegetable and fruit intake. Further, fast-food stores and convenience stores had a positive relationship with intake of ice cream, salty snack foods, meat, confectionaries, and sweetened beverages, and a negative relationship with intake of vegetables, fruits, and low-fat foods.<br>Conclusion: Our study suggests that there is a relationship between geographical factor-induced food availability and food intake.

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