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Article Abstract
Objectives: Obesity and metabolic health are known factors influencing COVID-19 severity. However, the effect of changes in metabolic health and weight status on COVID-19 outcomes remains unclear. To investigate the association between changes in metabolic health and weight status over time and COVID-19-related risks.
Study Design: Retrospective population-based cohort study.
Methods: This retrospective population-based cohort study used data from South Korea's National Health Information Service collected between January 2014 and December 2021. A total of 284,719 participants who underwent health screening both in 2014-2015 and 2016-2017 were divided into the metabolically healthy non-obese (MHNO), metabolically healthy obese (MHO), metabolically unhealthy non-obese (MUNO), and metabolically unhealthy obese (MUO) groups.
Results: Among initial MHNO participants, those who became MHO (hazard ratio (HR) 1·082, 95 % confidence intervals 1·01-1·16) and MUO (1·18, 1·11-1·26) had elevated risk for COVID-19 compared with those who remained MHNO. Conversely, participants who transitioned from MUO to MUNO (0·89, 0·84-0·95) were associated with a lower risk of COVID-19. Improvements in metabolic health did not mitigate COVID-19-related risks. Transitioning from MHNO to MHO (3·57, 1·38-9·26) was associated with a significantly higher risk of death due to COVID-19.
Conclusions: Changes in metabolic health and obesity status significantly influence COVID-19 outcomes. Addressing obesity and promoting metabolic health are critical for mitigating the impact of COVID-19.
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| http://dx.doi.org/10.1016/j.puhe.2025.105777 | DOI Listing |
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