Age of First Overweight and Obesity, COVID-19 and Long COVID in Two British Birth Cohorts
Journal of Epidemiology and Global Health, ISSN: 2210-6014, Vol: 13, Issue: 1, Page: 140-153
2023
- 9Citations
- 29Captures
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Article Description
Longer exposure to obesity, and thus a longer period in an inflamed state, may increase susceptibility to infectious diseases and worsen severity. Previous cross-sectional work finds higher BMI is related to worse COVID-19 outcomes, but less is known about associations with BMI across adulthood. To examine this, we used body mass index (BMI) collected through adulthood in the 1958 National Child Development Study (NCDS) and the 1970 British Cohort Study (BCS70). Participants were grouped by the age they were first overweight (> 25 kg/m) and obese (> 30 kg/m). Logistic regression was used to assess associations with COVID-19 (self-reported and serology-confirmed), severity (hospital admission and contact with health services) and long-COVID reported at ages 62 (NCDS) and 50 (BCS70). An earlier age of obesity and overweight, compared to those who never became obese or overweight, was associated with increased odds of adverse COVID-19 outcomes, but results were mixed and often underpowered. Those with early exposure to obesity were over twice as likely in NCDS (odds ratio (OR) 2.15, 95% confidence interval (CI) 1.17–4.00) and three times as likely in BCS70 (OR 3.01, 95% CI 1.74–5.22) to have long COVID. In NCDS they were also over four times as likely to be admitted to hospital (OR 4.69, 95% CI 1.64–13.39). Most associations were somewhat explained by contemporaneous BMI or reported health, diabetes or hypertension; however, the association with hospital admission in NCDS remained. An earlier age of obesity onset is related to COVID-19 outcomes in later life, providing evidence of the long-term impact of raised BMI on infectious disease outcomes in midlife.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85148511682&origin=inward; http://dx.doi.org/10.1007/s44197-023-00093-5; http://www.ncbi.nlm.nih.gov/pubmed/36811824; https://link.springer.com/10.1007/s44197-023-00093-5; https://dx.doi.org/10.1007/s44197-023-00093-5; https://link.springer.com/article/10.1007/s44197-023-00093-5
Springer Science and Business Media LLC
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