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Title: Obesity, metabolic health, and history of Cytomegalovirus infection in the general population
Authors: Hamer, Mark
Batty, G. David
Kivimaki, Mika
Keywords: Cytomegalovirus
Epidemiology
Infection
Obesity
Issue Date: 2016
Publisher: © Endocrine Society
Citation: HAMER, M., BATTY, G.D. and KIVIMAKI, M., 2016. Obesity, metabolic health, and history of Cytomegalovirus infection in the general population. The Journal of Clinical Endocrinology & Metabolism, In press.
Abstract: Context:Commoncommunity-acquired infections, such as cytomegalovirus (CMV),maycontribute to the development of obesity and metabolic dysfunction, but empirical evidence is scarce. Objective: We examined the associations between CMV, obesity and metabolic characteristics in a large, general population-based sample of adults. Design and setting: An observational study in community dwelling adults from the general population, ‘Understanding Society – the UK Household Longitudinal Study’. Participants: 9,517 men and women (aged 52.4 ± 16.4 yrs; 55.3% female). Measures: CMV infection was measured using Immunoglobulin G (IgG) from serum. Obesity was defined as body mass index ≥30 kg/m2. Based on blood pressure, HDL-cholesterol, triglycerides,glycated haemoglobin A1c, and C-reactive protein, participants were classified as ‘healthy’ (0 or 1 metabolic abnormality) or ‘unhealthy’ (≥2 metabolic abnormalities). Results: A positive CMV test was recorded in 47.5% of the sample. There was no association between CMV and obesity. Of the individual metabolic risk factors, CMV was positively associated with glycated haemoglobin and HDL-cholesterol. In combination, only ‘unhealthy non-obese’ participants had modestly increased odds of CMV (odds ratio compared to healthy normal weight = 1.12, 95% confidence interval 1.00 – 1.26) after adjusting for a range of variables. CMV was associated with an increased prevalence of cardiovascular diseases (odds ratio=1.67; 1.07 – 2.60) independently of obesity, metabolic risk factors, and other covariates. Conclusion: Our findings suggest a weak but statistically significant association between CMV and metabolic dysfunction in non-obese adults. This relationship appears to be masked in the obese, possibly by the effects of excess adiposity on metabolism.
Description: This paper was accepted for publication in the journal Journal of Clinical Endocrinology and Metabolism and the definitive published version is available at http://dx.doi.org/10.1210/jc.2015-4208
Version: Accepted for publication
DOI: 10.1210/jc.2015-4208
URI: https://dspace.lboro.ac.uk/2134/20369
Publisher Link: http://dx.doi.org/10.1210/jc.2015-4208
ISSN: 0021-972X
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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