ダラム・チャペルヒル都市統計地域 (MSA),ノースカロライナにおける食糧アクセスと関連する社会経済的要因
Zahra Al Hamdani1, Matthew Jansen2, Tia Marie Francis2
1Department of Environmental Sciences and Engineering, 135 Dauer Drive, University of North Carolina- Chapel Hill, North Carolina, United States of America.
PloS one
|September 5, 2025
まとめ
ノースカロライナでは 食糧不足が食生活関連の病気を悪化させています この研究は ダラム・チャペルヒルの都市圏で 食料へのアクセスの格差を明らかにし 公衆衛生の介入の必要性を強調しています
科学分野:
- 公衆衛生
- 環境 健康
- 健康 地理
背景:
- 食糧不足は食事に関連した病気を悪化させ,ノースカロライナ州は全国平均を上回っています.
- 健康的な食品へのアクセスは,食品環境の空間的な特徴に影響されます.
- 健康上の格差をなくすには 細かいレベルで 食料へのアクセスを理解することが重要です
研究 の 目的:
- ダラム・チャペルヒル大都市統計地域 (MSA) の食料環境と食料へのアクセスを特徴づける.
- 集計ブロックのグループレベルで食料へのアクセスに関連する社会経済的要因を調査する.
- 公衆衛生の介入を促す可能性のある 食料へのアクセスの格差を特定する.
主な方法:
- 地理情報システム (GIS) と 統計技術を活用して 食料へのアクセスを分析した.
- 各種の食料品へのアクセスを測定するために,平均重量メディアン (AWM) を開発した.
- AWMと社会経済的変数の間の関連性を調べるために多変数回帰を用いた.
主要な成果:
- 最低のアクセシビリティは果物と野菜の市場 (AWM=2) で,最も高いアクセシビリティはレストラン (AWM=136) であった.
- アフリカ系アメリカ人の人口の割合の増加は,すべての種類の食品,特に果物と野菜の市場へのアクセスが著しく高まったことと相関しています (+4%).
- 家庭の大きさは,果物や野菜の市場や食料バンクへのアクセスが減った (-40%).
結論:
- この研究は,ダーハム・チャペルヒルのMSA内の食料へのアクセスにおいて大きな格差を示しています.
- GISベースのアプローチは,人口統計ブロックグループレベルで食料のアクセスと社会人口学的要因を評価するためのスケーラブルな方法を提供します.
- 食品へのアクセスにおける不平等を緩和するために 標的を絞った公衆衛生介入の必要性を強調しています
関連する概念動画
01:30Regulation of Food Intake
339
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
339
01:27Parentral Nutrition: Centeral and Peripheral Parental Nutrition
297
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
297
01:23Dietary Connections
55.3K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
55.3K
01:20Lifestyle Factors and Health
125
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
125
01:23Factors Influencing Bioavailability: First-Pass Elimination
6.9K
When a drug is taken orally, it undergoes a journey starting from the gastrointestinal (GI) tract, passing through the portal vein, reaching the liver, and finally entering the systemic circulation. This process involves the absorption of the drug across the GI tract. The liver is the primary site for metabolizing the drug, with some metabolism also occurring in the gut wall. This journey significantly reduces the quantity of the drug that reaches the systemic circulation, a phenomenon known as...
6.9K
01:50Cross-Sectional Research
11.8K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
11.8K