早期のイライラから後の自殺思考や行動までの性特有の経路:ABCD研究からの発見®
Nellia Bellaert1,2, Angelique Simeone2, Lanting Zhang3
1Department of Cognitive Psychology and Neuropsychology, University of Mons, Mons, Belgium.
Journal of child psychology and psychiatry, and allied disciplines
|September 4, 2025
まとめ
子供の頃のイライラ傾向 特に安定したパターンは 思春期の自殺思考や行動を 大きく予測します 内化および外化症状はこれらのリスクを媒介し,経路において顕著な性差が見られる.
科学分野:
- 発達心理学
- 児童・青少年精神科
- メンタルヘルスの研究
背景:
- 以前の研究では 子供の頃のイライラ感が 自殺的思考や行動の危険性を高めています
- 既存の研究はしばしば教師の報告に依存し,性別の違いに関する矛盾した結果を示しています.
- 親の報告は 子供のイライラや 長期的な精神的健康への影響について 価値ある視点を提供してくれます
研究 の 目的:
- 幼児の不機嫌の 発達経路を特定する
- 青少年の自殺思考と行動 (SIB) との直接的・間接的な関連を調べる.
- 性差がSIBに繋がる経路を調査し,心理病理を媒介者として検討する.
主な方法:
- Adolescent Brain Cognitive Development (ABCD) Study (N=4,583) の5つのデータ波を活用した.
- 親が報告したデータから刺激性の経路を導き出すために成長混合モデルを使用した (9-12歳).
- 刺激の軌跡,内部化/外部化症状 (12歳〜13歳) とSIB (13歳〜14歳) の関連性を評価するための経路分析を実施した.
主要な成果:
- 低安定 (73. 01%),上昇 (12. 04%),減少 (10. 28%),および高安定 (4. 67%) の4つの刺激経路が特定されました.
- 高安定性刺激は,直接的または間接的に症状を内化または外化することによって,自殺思考のリスクの増加と有意に関連していました.
- 性別の違いが観察された. 内化症状は女性における自殺思考の経路を媒介し, 外化症状は男性における上昇/減少の経路を媒介した. 自殺への道筋は 女性の方が強いのです
結論:
- 幼少期の不快感の軌跡は 青少年の自殺思考と行動を 異なる形で予測します
- 高安定性イライラ性の経路は 青少年の自殺へのリスクが最も大きい.
- 内部化および外部化症状は重要な仲介者であり,特に高刺激性のある女性にとって,リスクに影響を与える重要な性別特異的なパターンがあります.
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