メディケイドは緊急部門の使用を増加させる:オレゴン州の健康保険実験の証拠
Sarah L Taubman1, Heidi L Allen, Bill J Wright
1National Bureau of Economic Research (NBER), Cambridge, MA 02138, USA.
まとめ
オレゴン オレゴン オレゴン オレゴン
科学分野:
- 健康経済学とは
- 公共衛生政策 公共衛生政策とは
- ランダム化対照試験について
背景:
- オレゴンの2008年のメディケイドの拡大は,無保険で低所得の成人に宝くじを通じて保険を提供した.
- この宝くじは,メディケイドの影響を評価するためのユニークなランダム化対照試験 (RCT) 設計を提供しました.
研究 の 目的:
- メディケイドのメディケイドの適用が緊急治療室 (ED) の利用に与える影響を評価する.
- 新たに取得した健康保険を持つ低所得の成人の間でEDの使用パターンを分析する.
主な方法:
- オレゴン州のメディケイド拡大からの宝くじのランダム化データを活用した.
- 宝くじの後の18ヶ月間にわたって約25,000人の参加者の緊急診療所の記録を分析しました.
- 保険者と非保険者のグループ間のED使用を比較するために,ランダム化制御された設計を採用しました.
主要な成果:
- メディケイドの適用により,一人当たり0.41回 (相対的に40%増加) で,全般的なED訪問が著しく増加しました.
- ED訪問の増加は,さまざまな訪問タイプ,状態,およびサブグループで観察されました.
- 初等医療施設で潜在的に管理可能な状態のED訪問の顕著な増加が確認されました.
結論:
- メディケイドの拡大により,緊急診療所の利用が大幅に増加しました.
- この調査結果は,保険の範囲を拡大することで,医療を求める行動の潜在的変化を強調しています.
- プライマリケアへのアクセスとEDのリソース割り当てへの影響を理解するために,さらなる研究が必要です.
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