Type 2 diabetes, socioeconomic status and life expectancy in Scotland (2012-2014): a population-based observational study

Walker, J., Colhoun, H., Livingstone, S., McCrimmon, R., Petrie, J. , Sattar, N. and Wild, S. (2018) Type 2 diabetes, socioeconomic status and life expectancy in Scotland (2012-2014): a population-based observational study. Diabetologia, 61(1), pp. 108-116. (doi:10.1007/s00125-017-4478-x) (PMID:29075822) (PMCID:PMC6448945)

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Abstract

Aims/hypothesis: The aim of this study was to assess the role of socioeconomic status (SES) in the associations between type 2 diabetes and life expectancy in a complete national population. Methods: An observational population-based cohort study was performed using the Scottish Care Information – Diabetes database. Age-specific life expectancy (stratified by SES) was calculated for all individuals with type 2 diabetes in the age range 40–89 during the period 2012–2014, and for the remaining population of Scotland aged 40–89 without type 2 diabetes. Differences in life expectancy between the two groups were calculated. Results: Results were based on 272,597 individuals with type 2 diabetes and 2.75 million people without type 2 diabetes (total for 2013, the middle calendar year of the study period). With the exception of deprived men aged 80–89, life expectancy in people with type 2 diabetes was significantly reduced (relative to the type 2 diabetes-free population) at all ages and levels of SES. Differences in life expectancy ranged from −5.5 years (95% CI −6.2, −4.8) for women aged 40–44 in the second most-deprived quintile of SES, to 0.1 years (95% CI −0.2, 0.4) for men aged 85–89 in the most-deprived quintile of SES. Observed life-expectancy deficits in those with type 2 diabetes were generally greater in women than in men. Conclusions/interpretation: Type 2 diabetes is associated with reduced life expectancy at almost all ages and levels of SES. Elimination of life-expectancy deficits in individuals with type 2 diabetes will require prevention and management strategies targeted at all social strata (not just deprived groups).

Item Type:Articles
Additional Information:Linkage of data sources used in this study was funded by the Scottish Government through the Scottish Diabetes Group.
Keywords:Epidemiology, life expectancy, socioeconomic status, type 2 diabetes.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Sattar, Professor Naveed and Petrie, Professor John
Authors: Walker, J., Colhoun, H., Livingstone, S., McCrimmon, R., Petrie, J., Sattar, N., and Wild, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:Diabetologia
Publisher:Springer
ISSN:0012-186X
ISSN (Online):1432-0428
Published Online:26 October 2017
Copyright Holders:Copyright © 2017 The Authors
First Published:First published in Diabetologia 61(1): 108-116
Publisher Policy:Reproduced under a Creative Commons License

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