ライフステージ別の暴力的な自殺方法 - 全国人口ベースの登録研究
Henrik Imberg1,2, Maja Magdalena Olsson3, Joakim Öhlén4,5,6
1Statistiska Konsultgruppen, Gothenburg, Sweden.
Frontiers in psychiatry
|February 5, 2026
まとめ
暴力的な自殺方法は若年成人でピークに達し、60歳まで女性では減少し、高齢の移民ではまれです。これらの傾向は、生涯にわたる調整された自殺予防戦略の必要性を強調しています。
科学分野:
- 公衆衛生
- 疫学
- 社会学
背景:
- 自殺方法の理解は予防のために重要です。
- 暴力的な自殺方法は世界的に大きな懸念事項です。
- 年齢および社会人口統計学的要因が方法の選択に影響を与える可能性があります。
研究 の 目的:
- 異なるライフステージにおける暴力的な自殺方法の使用を調査すること。
- 暴力的な自殺方法と社会人口統計学的特性、医療利用、死亡場所との関連を調査すること。
主な方法:
- スウェーデンの全国登録データ(2013-2019年)をすべての自殺死について分析しました。
- 自殺方法を暴力的および非暴力的に分類しました。
- 非線形年齢効果および相互作用分析を含むロジスティック回帰モデリングを使用しました。
主要な成果:
- 8,325件の自殺のうち77%が暴力的な方法でした。
- 暴力的な方法の使用は20歳でピークに達し、60歳まで減少し、その後わずかに増加しました。
- 男性では安定した使用、60歳までの女性では使用の減少、外国人生まれの高齢者では使用が少ない、教育水準が低いことや施設での死亡との関連性が高い。
結論:
- 暴力的な自殺方法の使用には、年齢およびサブグループ固有の明確な傾向が存在します。
- 60歳までの女性および高齢の移民で低い割合が観察されました。
- 自殺リスクの軽減には、生涯にわたるアプローチと調整された予防戦略が不可欠です。
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