[アイテムレスポンス理論を用いた病院出産満足度スケールの妥当性の証拠]
Camila Bonalume Dall'Aqua1, Stela Maris de Jezus Castro1, Betine Pinto Moehlecke Iser2
1Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brasil.
Cadernos de saude publica
|February 19, 2026
まとめ
この研究は,15,000人以上のブラジルの女性でアイテムレスポンス理論 (IRT) を使用した病院出産ケア満足度スケールを精製しました. 検証された9項目のスケールは,出産の満足度に関する改善された測定を提供します.
科学分野:
- サイコメトリクス サイコメトリクス
- 医療サービス 研究 医療サービス
- 産科は産婦人科です.
背景:
- 出産に対する女性の満足度を評価することは,医療の質を評価する上で極めて重要です.
- 既存の測定は,正確な解釈のために,堅固な心理学的検証を必要とします.
- The Birth in Brazil:National Survey into Labor and Birthは,この検証のために大規模なデータセットを提供した.
研究 の 目的:
- 出産の満足度を測定するための有効性の証拠を生成する.
- 項目応答理論 (IRT) を用いて病院出産ケア満足度スケールを精製する.
- 出産に対する潜在的特徴の満足度を測定するためのサイコメトリック的に健全な機器を開発する.
主な方法:
- アイテムレスポンス理論 (IRT),特にサミジマの分級レスポンスモデルが適用されました.
- ブラジルの出生調査から15,965人の女性のサンプルが利用されました.
- 構想の妥当性を確認するために,探索的および確認的因数分析が行われました.
主要な成果:
- 分級応答モデルは,データに最も適したものを提供しました.
- 元の11項目から精製された9項目スケールは,適切なサイコメトリック特性を示しました.
- 信頼性はCronbach's alpha,McDonald's omega,およびSpearman-Brown係数を用いて評価されました.
- 探索的および確認的因子分析は,三次元の潜在構造を裏付けました.
結論:
- 洗練された9項目の病院出産ケア満足度スケールは,適切な心理測定特性を示しています.
- IRT分析は,出産の満足度の測定を成功裏に改善しました.
- スケールの有効性は,外部変数との関連によってさらに支持されています.
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