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Are the effects of psychosocial exposures attributable to confounding? Evidence from a prospective observational study on psychological stress and mortality
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  • Published on:
    Attributing causality to observed associations between psychosocial exposures and health: a response
    • John Macleod, Clinical Research Fellow
    • Other Contributors:
      • George Davey Smith, Pauline Heslop, Chris Metcalfe, Doug Carroll, Carole Hart

    Dear Editor

    We are glad that our paper has generated interest amongst readers of the Journal of Epidemiology and Community Health.

    We would like to respond first to the points made by Drs Singh-Manoux and Clarke. The first relates to the importance of theory and the need for a conceptual framework within which to consider how social disadvantage comes to be associated with poorer health (given that...

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    Conflict of Interest:
    None declared.
  • Published on:
    Confusing confounding and causation
    Dear Editor,

    Macleod et al[1] reported the influence of confounding by socioeconomic factors in observational epidemiology, questioning the role of psychosocial exposures in predicting ill-health. The authors concluded that the association between psychosocial exposures and health reported in the literature might be spurious, a result of the association between socioeconomic position and psychosocial exposures. We read wit...

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    Conflict of Interest:
    None declared.
  • Published on:
    How does social class get under the skin?
    • Hans Bosma, Researchers
    • Other Contributors:
      • Martin Bobak

    Dear editor,

    With great interest we read the paper by Macleod and co-workers on the influence of psychosocial exposures on 21-year mortality. According to the authors, the small positive effects of stress on mortality became attenuated after control for social class. From this the authors concluded that the effects of psychosocial factors on health reported in a large number of studies from a number of populations...

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    Conflict of Interest:
    None declared.