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Elevated waist circumference results from an excessive accumulation of visceral fat, causing an impairment of health. Waist circumference is highly correlated with diabetes, cardiovascular disease, and all-cause mortality. This study aimed to estimate the overall, sex-specific, and region-specific prevalence rates of central obesity in Nigeria.

Systematic review and meta-analysis.

Online searches of Google Scholar, PubMed, and Scopus were conducted, and studies were selected based on predefined criteria. Random effects model was fitted using inverse variance method with correction using Sidik-Jonkman's estimator.

Eighteen studies consisting of 21,859 individuals conducted between 1996 and 2021 were included in the meta-analysis. Thirty-nine percent (95% confidence interval [CI]: 25%–54%, I² = 99.3%) of adult Nigerians are centrally obese (by International Diabetes …