米国の郡における人種、民族、所得別のレストラン広告支出パターン
Briana Joy K Stephenson1, Sara N Bleich2, Dania V Francis3
1Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA. bstephenson@hsph.harvard.edu.
まとめ
レストラン広告支出は、都市部の低所得地域および黒人・ヒスパニック/ラテン系人口が多い地方郡に集中しています。これは、食品マーケティングにおける格差を反映し、肥満リスクが高い人口を対象としています。
科学分野:
- 公衆衛生
- 健康格差
- 食品マーケティング分析
背景:
- 外食支出の増加と肥満格差は、食品広告の役割の理解を必要としています。
- 食品広告の地理的および人口統計学的ターゲティングには、詳細な調査が必要です。
研究 の 目的:
- 所得、人種、民族に基づいて、米国の郡におけるレストラン広告支出の変化を分析すること。
- 低所得層およびマイノリティ人口が多い層が、広告トレンドによって不均衡に影響を受けているかどうかを判断すること。
主な方法:
- 上位100社の米国レストランチェーンの支出および所在地データと、郡レベルの人口統計データを利用しました。
- 米国郡を人口密度および社会人口統計学的特性に基づいて分類しました。
- 分位点回帰を使用して、支出パターンと経時的トレンドを分析しました。
主要な成果:
- ファストフードチェーンが広告支出の大部分を占め、特に高密度郡でのテレビ広告が中心でした。
- 所得が高い郡や、黒人/ヒスパニック/ラテン系人口が少ない郡では、広告支出が減少しました。
- マイノリティ人口が多い地方郡および都市部の低所得郡で、支出率が最も高くなりました。
結論:
- レストラン広告は、都市部と地方部の両方で、肥満リスクが高い人口に対して不均衡にターゲット設定されています。
- マーケティング戦略は、肥満リスクに関連する特定の社会人口統計学的特性を持つ地域に広告費を集中させているようです。
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