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Associations between hair cortisol concentration, income, income dynamics and status incongruity in healthy middle-aged women.

Serwinski, B. and Salavecz, Gyöngyvér and Kirschbaum, C. and Steptoe, A. (2016) Associations between hair cortisol concentration, income, income dynamics and status incongruity in healthy middle-aged women. PSYCHONEUROENDOCRINOLOGY, 67. pp. 182-188. ISSN 0306-4530

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Abstract

A body of research demonstrates that financial disadvantage is associated with general health inequalities and higher mortality rates. Most studies make use of cross-sectional analyses, although income can also be viewed as a dynamic concept. The use of endocrine-markers as proxies for health can provide information about the pathways involved in these associations. Hair cortisol analysis has been developed as a method for assessing sustained cortisol output as it provides an estimate of cumulative cortisol secretion over a prolonged time. The present study assessed income and income trajectory over a 4-year period in 164 working women (aged 26-65) in relation to hair cortisol in a longitudinal design. A negative association between hair cortisol and concurrent income was found (p=0.025) and hair cortisol and changes in income over 4 years (p<0.001), after adjustment for age, BMI, smoking status, hair treatment and country. Status incongruity, a mismatch between educational status and income group, was related to higher cortisol levels compared with status congruity (p=0.009). These findings suggest that psychoneuroendocrinological pathways might partially explain the relationship between lower socio-economic status and adverse health outcomes. Future longitudinal research using hair cortisol analysis is warranted to clarify the time course of social mobility in relation to long-term cortisol, to investigate other underlying psychosocial factors implicated in these associations, and to determine the exact health implications of the neuroendocrine perturbations in individuals with limited economic resources.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion / filozófia, pszichológia, vallás > BF Psychology / lélektan > BF01 Psychophysiology / pszichofiziológia
Depositing User: Dr Gyongyver Salavecz
Date Deposited: 05 Oct 2016 07:35
Last Modified: 04 Apr 2023 11:47
URI: http://real.mtak.hu/id/eprint/41367

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