Socioeconomic Status and Stress-Related Biological Responses Over the Working Day
Andrew Steptoe, DPhil,
Sabine Kunz-Ebrecht, PhD,
Natalie Owen, PhD,
Pamela J. Feldman, PhD,
Gonneke Willemsen, PhD,
Clemens Kirschbaum, PhD and
Michael Marmot, PhD
From the Department of Epidemiology and Public Health, University College London (A.S., S.K-E., N.O., P.J.F., M.M.), London, United Kingdom; Department of Psychology, Free University (G.W.), Amsterdam, Netherlands; and Institute of Experimental Psychology II, University of Düsseldorf (C.K.), Düsseldorf, Germany.

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Fig. 1. Mean percentage of BP readings taken when participants were standing or walking in groups with low, medium, and high average energy expenditure. Error bars are SEM.
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Fig. 4. Mean saliva-free cortisol sampled on waking up, 30 minutes later, and then at 2-hour intervals in men from higher () and lower ( ) grades of employment. Error bars are SEM.
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Fig. 5. Mean saliva-free cortisol sampled on waking up, 30 minutes later, and then at 2-hour intervals in women from higher () and lower ( ) grades of employment. Error bars are SEM.
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Copyright © 2003 by the American Psychosomatic Society