オーストラリア の 自殺 率 の 変化 点: 2000 年 から 2022 年 まで の 傾向
Leo Roberts1, Angela Clapperton1, Matthew J Spittal1
1Melbourne School of Population and Global Health, The University of Melbourne, Parkville, VIC, Australia.
The Australian and New Zealand journal of psychiatry
|August 26, 2025
まとめ
オーストラリアの自殺率は最初は減少し,その後は全体的に増加し,年齢特有の複雑な傾向を隠していました. 最近の若者の減少は 他の集団の減少や増加と対照的に 標的型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
- 流行病学について
- メンタルヘルスの研究
背景:
- オーストラリア の 自殺 率 の 増加 に 関する 懸念 が あり ます.特に 若い 女性 の 間 で です.
- 長期的な自殺傾向は 人口レベルの変化を理解するために 詳細な分析が必要です
研究 の 目的:
- 2000年から2022年のオーストラリアの自殺率の長期的傾向を記述する.
- 総人口と特定の年齢・性別のグループにおける自殺率の変化点を特定する.
主な方法:
- 死亡率の一般記録 (2000年−2022年) のオーストラリアの年次自殺データを使用した.
- 年齢を基準とした自殺率の変化点モデル.
- 男性,女性,そして8つの年齢・性別層の傾向を分析した.
主要な成果:
- 年齢基準の自殺率は年間4.4%減少 (2000年−2005年),その後年間2.0%増加 (2018年までは).
- 男性と女性では同様の全体的なパターンが観察されました.
- 分散した分析により,いくつかのグループでは早期に減少し,2000年代半ばからほとんどのグループで増加し,15〜24歳の男性では (2020〜2022年) 顕著な減少がみられ,他のグループでは停滞または上昇した.
結論:
- 全体の自殺傾向は 特定の年齢と性別の 複雑なパターンを隠しています
- これらの微妙な長期的なパターンを理解することは 自殺を減らすための効果的な介入策の開発に不可欠です
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