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Updated: Jan 24, 2026

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子供用安全装置の使用に関する9都市での比較分析:複数回の横断的観察研究
Hasan S Merali1,2, Khushbu Balsara2, Haruhiko Inada2
1Department of Pediatrics, McMaster Children's Hospital, Hamilton, Ontario, Canada.
BMJ public health
|January 23, 2026
まとめ
子供用安全装置(CRS)の使用率は世界的に驚くほど低く、特に低所得国で顕著である。本研究は、乗員の子供を保護するための交通安全対策の改善が急務であることを強調している。
科学分野:
- 公衆衛生
- 交通安全
- 小児の傷害予防
背景:
- 交通事故による傷害は、世界的な子供の死亡原因の主要なものである。
- これらの死亡事故の90%以上は、低・中所得国で発生している。
- これらの地域における子供用安全装置(CRS)使用に関するデータは乏しい。
研究 の 目的:
- 世界9都市における子供用安全装置(CRS)使用の蔓延を評価する。
- CRS使用の経時的傾向を分析する。
- CRS使用に関連する要因を特定する。
主な方法:
- 路上での観察データを用いた横断研究。
- 2015年2月から2019年3月までの8回の調査でデータを収集。
- 0歳から12歳までの子供34,247人を対象に分析を実施した。
主要な成果:
- 5歳未満児のCRS使用率は全体で37.07%、5歳以上児では7.54%でした。
- 5歳未満児ではサンパウロ(40.08%)が最も高く、バンドン(1.25%)が最も低いなど、顕著なばらつきが観察されました。
- CRS使用のオッズを増加させる要因には、若年年齢、後部座席への配置、同乗者の少なさ、運転者のシートベルト着用が含まれていました。
結論:
- 子供用安全装置の正しい使用率の低さと世界的なばらつきは、重大な懸念事項である。
- 2030年までに子供用安全装置の使用率をほぼ100%達成するという目標を達成するためには、多面的な戦略の緊急実施が必要である。
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