自律的機能は,社会的地位と冠動脈のリスクを関連付けていますか? ホワイトホールIIの研究
Harry Hemingway1, Martin Shipley, Eric Brunner
1International Centre for Health and Society, Department of Epidemiology and Public Health, University College London Medical School, 1-19 Torrington Place, London WC1E 6BT UK. h.hemingway@ucl.ac.uk
Circulation
|June 9, 2005
まとめ
低い社会的地位は,自律神経系の機能障害と関連しており,冠動脈疾患のリスクを高めます. この自律的機能障害は,社会的地位と代謝症候群の構成要素の関連性を説明するかもしれない.
科学分野:
- 心血管伝染病学 心血管伝染病学
- 自律神経科学とは
- 健康の社会的決定因子
背景:
- 慢性的なストレスと低い社会的地位は,代謝の悪影響と関連しており,社会的階層の低い層では冠動脈のリスクが高くなる可能性がある.
- ストレス反応と代謝健康を媒介する自律神経系の役割は,ますます認識されています.
研究 の 目的:
- 自律神経系の機能不全が社会的地位と冠動脈の危険因子を結びつけるという仮説を検証する.
- 健康な職業コホートにおける社会的地位,自律的機能,行動要因,代謝症候群の関連性を調べる.
主な方法:
- ホワイトホールIIの研究には,45歳から68歳の男性公務員2197人が参加した.
- 社会的地位は雇用グレードによって評価され,自律的機能は心拍数変動 (HRV) の記録を使用して測定されました.
- 心理社会的要因 (職務管理),行動的要因 (喫煙,ダイエットなど) ) と代謝症候群の成分が評価されました.
主要な成果:
- 低雇用グレードは,低下した心拍数変動 (HRV) と有意に関連しており,自律機能の障害を示唆した (P<0.02).
- 低職位コントロールを含む有害な行動的および心理的社会的要因も,より低いHRV (P<0.03) と関連していました.
- HRVはメタボリックシンドロームの成分と強い線形関連性を示した (P<0.001);メタボリックシンドロームの社会的グラデントは,自律的機能,行動的要因,および仕事のコントロールによって説明された.
結論:
- 慢性的に障害のある自律的機能は,社会的地位と冠動脈リスクの様々な構成要素の間の重要なリンクとして機能する可能性があります.
- これらの発見は,自律的機能不全が,さまざまな社会層で観察される健康格差に寄与することを示唆しています.
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