ICD-11 長期的悲しみの潜在的構造: 2 つの全国的なコホートにおける複製された因子混合モデル
James Cunningham1, Mark Shevlin1, Eoin McElroy1
1School of Psychology, Ulster University, Coleraine, United Kingdom.
PLOS mental health
|February 20, 2026
まとめ
一般の人々の長期的な悲しみの障害 (PGD) の症状は,異なるカテゴリーではなく,重度の連続体として最もよく理解されます. 非難や怒りのような特定の症状は,スクリーニングの目的でより高い重症性を示します.
科学分野:
- 心理学 心理学とは
- 精神科医は精神病を患っている.
- エピデミオロジー エピデミオロジー
背景:
- 長期的な悲しみの障害 (PGD) は,診断マニュアル (ICD-11,DSM-5-TR) で認識されています.
- 一般の人々のPGD症状の根本的な構造は,明確にする必要があります.
- これまでの研究は,PGDが重症度連続体で存在するのか,または異なるサブタイプとして存在するのかを決定的に確立できませんでした.
研究 の 目的:
- 長期的悲しみの障害 (PGD) 症状の潜在的構造を一般人口のサンプルで調査する.
- PGDが単一の重度連続体またはハイブリッドの次元/クラス構造で最もよく表されるかどうかを判断する.
- 独立したコホートにおける識別された構造の安定性と解釈性を評価する.
主な方法:
- 一般人口の2つの大きなコホート (イギリスとアイルランド) の横断データを使用した.
- 統計分析の段階的なシーケンスを採用した:探査/確認因子分析,潜伏プロフィール分析,因子混合モデリング.
- 国際長期悲痛障害スケール (IPGDS) を使用して長期悲痛障害を評価しました.
主要な成果:
- 3要素の測定構造は,両コホートで一貫してサポートされていました.
- 3つの要素,4つのクラスの要素混合モデルにより,最も解釈し,再現可能な構造が提供されました.
- 4つの重度順の潜伏クラスは,症状プロファイルの単調な進行を示し,高い精度で特定されました.
- 非難と怒りは重度の主要な指標であり,回避は差別的価値が低い.
結論:
- 集団レベルのPGDの症状は,主に次元的であり,潜在的クラスは実用的な重症度グループを表しています.
- 監視とスクリーニングのために,責任と怒りのチェックで補完された分離の苦痛に焦点を当てた次元的評価が推奨されます.
- クラスの安定性と予後値を確認するために,将来の縦断研究が必要である.
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