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Does Subjective Social Status Predict Health and Change in Health Status Better Than Objective Status?

Singh-Manoux, Archana PhD; Marmot, Michael G. FRCP; Adler, Nancy E. PhD

Original Articles

Objective: To examine, among middle-aged individuals, if subjective socioeconomic status (SES) predicts health status and change in health status over time better than objective SES.

Methods: Data are from the Whitehall II study, a prospective study of British civil servants. SES data are drawn from Phase 5 (1997–1999) of the study and health data from Phases 5 and 6 (2000–2001). Physical and mental component scores from the Short Form 36, the General Health Questionnaire, and self-rated health were used to assess health status. Multiple linear regressions were used to examine the relationship between SES and health and change in health status.

Results: Complete data were available on 5486 people. Results show both measures of SES to be global measures of SES. Both measures of SES were significantly associated with health outcomes and with decline in health status over time. However, when both objective and subjective measures of SES are entered simultaneously in the model to predict change in health status, it was only the latter that continues to be significantly associated with health and changes in health.

Conclusions: Subjective SES is a better predictor of health status and decline in health status over time in middle-aged adults. These results are discussed in terms of three possible explanations: subjective SES is a more precise measure of social position, the results provide support for the hierarchy-health hypothesis, and the results could be an artifact of common method variance.

SES = socioeconomic status; SF 36 = Short Form 36; PCS = physical component score; MCS = mental component score; GHQ = General Health Questionnaire.

From the INSERM, National Institute of Health and Medical Research, HNSM, Saint-Maurice Cedex, France (A.S.-M.); Department of Epidemiology and Public Health, University College London, London, UK (A.S.-M., M.G.M.); Health Psychology Program, University of California, San Francisco, California (N.E.A.).

Address correspondence and reprint requests to Archana Singh-Manoux, PhD, INSERM, U687, National Institute of Health and Medical Research, HNSM, 14 rue du Val d’Osne, 94415 Saint-Maurice Cedex, France. E-mail: Archana.Singh-Manoux@st-maurice.inserm.fr

Received for publication February 7, 2005; revision received May 17, 2005.

A.S.-M. is supported by a “Chaire d’excellence” award from the French Ministry of Research.

The Whitehall II study is supported by grants from the Medical Research Council; British Heart Foundation; Health and Safety Executive; Department of Health; National Heart Lung and Blood Institute (HL36310), US, NIH: National Institute on Aging (AG13196), US, NIH; Agency for Health Care Policy Research (HS06516); and the John D. and Catherine T. MacArthur Foundation Research Networks on Successful Midlife Development and Socioeconomic Status and Health.

Copyright © 2005 by American Psychosomatic Society
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