Robertson, T., Popham, F. and Benzeval, M. (2014) Socioeconomic position across the lifecourse & allostatic load: data from the West of Scotland Twenty-07 cohort study. BMC Public Health, 14(184), (doi: 10.1186/1471-2458-14-184)
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Abstract
Background: We examined how socioeconomic position (SEP) across the lifecourse (three critical periods, social mobility and accumulated over time) is associated with allostatic load (a measure of cumulative physiological burden).<p></p> Methods: Data are from the West of Scotland Twenty-07 Study, with respondents aged 35 (n = 740), 55 (n = 817) and 75 (n = 483). SEP measures representing childhood, the transition to adulthood and adulthood SEP were used. Allostatic load was produced by summing nine binary biomarker scores (1 = in the highest-risk quartile). Linear regressions were used for each of the lifecourse models; with model fits compared using partial F-tests.<p></p> Results: For those aged 35 and 55, higher SEP was associated with lower allostatic load (no association in the 75-year-olds). The accumulation model (more time spent with higher SEP) had the best model fit in those aged 35 (b = −0.50, 95%CI = −0.68, −0.32, P = 0.002) and 55 (b = −0.31, 95%CI = −0.49, −0.12, P <0.001). However, the relative contributions of each life-stage differed, with adulthood SEP less strongly associated with allostatic load.<p></p> Conclusions: Long-term, accumulated higher SEP has been shown to be associated with lower allostatic load (less physiological burden). However, the transition to adulthood may represent a particularly sensitive period for SEP to impact on allostatic load.
| Item Type: | Articles |
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| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Popham, Dr Frank and Benzeval, Dr Michaela and Robertson, Mr Tony |
| Authors: | Robertson, T., Popham, F., and Benzeval, M. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > MRC/CSO SPHSU College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Mental Health and Wellbeing |
| Journal Name: | BMC Public Health |
| Publisher: | BioMed Central |
| ISSN: | 1471-2458 |
| ISSN (Online): | 1471-2458 |
| Copyright Holders: | Copyright © 2014 The Authors |
| First Published: | First published in BMC Public Health 14(184) |
| Publisher Policy: | Reproduced under a Creative Commons License |
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