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Socioeconomic position across the lifecourse & allostatic load: data from the West of Scotland Twenty-07 cohort study

Robertson, Tony and Popham, Frank and Benzeval, Michaela (2014) 'Socioeconomic position across the lifecourse & allostatic load: data from the West of Scotland Twenty-07 cohort study.' BMC Public Health, 14 (1). 184-. ISSN 1471-2458

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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). 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. 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. 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. © 2014 Robertson et al.; licensee BioMed Central Ltd.

Item Type: Article
Uncontrolled Keywords: Epidemiology; Health inequalities; Physiology; Social and Lifecourse Epidemiology
Subjects: H Social Sciences > H Social Sciences (General)
Divisions: Faculty of Social Sciences
Faculty of Social Sciences > Institute for Social and Economic Research
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 06 May 2014 15:54
Last Modified: 18 Aug 2022 11:34
URI: http://repository.essex.ac.uk/id/eprint/9377

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