The association of overweight, obesity, and long-term obesity with SARS-CoV-2 infection: a meta-analysis of 9 population-based cohorts from the Netherlands Cohorts Consortium

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2024年10月31日

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Bette Loef,
Jolanda M. A. Boer,
Marian Beekman,
Sophie L. Campman,
Emiel O. Hoogendijk,
Floris Huider,
Demi M. E. Pagen,
Marije J. Splinter,
Jeroen H. P. M. van der Velde,
Dorret I. Boomsma,
Pieter C. Dagnelie,
Jenny van Dongen,
Eco J. C. de Geus,
Martijn Huisman,
M. Arfan Ikram,
Annemarie Koster,
Silvan Licher,
Jochen O. Mierau,
Renée de Mutsert,
H. Susan J. Picavet,
Frits R. Rosendaal,
Miranda T. Schram,
P. Eline Slagboom,
Evie van der Spoel,
Karien Stronks,
W. M. Monique Verschuren,
Saskia W. van den Berg

摘要

Background

Obesity may affect an individual’s immune response and subsequent risk of infection, such as a SARS-CoV-2 infection. It is less clear whether overweight and long-term obesity also constitute risk factors. We investigated the association between the degree and duration of overweight and obesity and SARS-CoV-2 infection.

Methods

We analyzed data from nine prospective population-based cohorts of the Netherlands Cohorts Consortium, with a total of 99,570 participants, following a standardized procedure. Body mass index (BMI) and waist circumference (WC) were assessed two times before the pandemic, with approximately 5 years between measurements. SARS-CoV-2 infection was defined by self-report as a positive PCR or rapid-antigen test or as COVID-19 ascertained by a physician between March 2020 and January 2023. For three cohorts, information on SARS-CoV-2 infection by serology was available. Results were pooled using random-effects meta-analyses and adjusted for age, sex, educational level, and number of SARS-CoV-2 infection measurements.

Results

Individuals with overweight (25 ≤ BMI < 30 kg/m²) (odds ratio (OR) = 1.08, 95%-confidence interval (CI) 1.04-1.13) or obesity (BMI ≥ 30 kg/m²) (OR = 1.43, 95%-CI 1.18–1.75) were more likely to report SARS-CoV-2 infection than individuals with a healthy body weight. We observed comparable ORs for abdominal overweight (men: 94 cm≤WC < 102 cm, women: 80 cm≤WC < 88 cm) (OR = 1.09, 95%-CI 1.04–1.14, I² = 0%) and abdominal obesity (men: WC ≥ 102 cm, women: WC ≥ 88 cm) (OR = 1.24, 95%-CI 0.999–1.55, I² = 57%). Individuals with obesity long before the pandemic, but with a healthy body weight or overweight just before the pandemic, were not at increased risk.

Conclusion

Overweight and obesity were associated with increased risk of SARS-CoV-2 infection with stronger associations for obesity. Individuals with a healthier weight prior to the pandemic but previous obesity did not have an increased risk of SARS-CoV-2, suggesting that weight loss in those with obesity reduces infection risk. These results underline the importance of obesity prevention and weight management for public health.