ArticleDiabetes, metabolic syndrome and obesity : targets and therapy2025
Double Burden of Malnutrition and Validity of Overweight/Obesity Indicators Among Students in the Democratic Republic of Congo: A Cross Sectional Study From the University of Kinshasa.
Article in Diabetes, metabolic syndrome and obesity : targets and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and Aims: The prevalence of overweight/obesity increases worldwide, including among students. BMI is a commonly used indicator to assess excess fat mass (FM). Our objective was to determine the prevalence of malnutrition (overweight, obesity and underweight) and correlation with FM among Congolese students, and to assess the correlation between BMI and FM measured by bioimpedance. Methods: Cross-sectional study among students applying for registration at the University of Kinshasa during the 2024-2025 academic year. Underweight, overweight and obesity were defined according to WHO criteria. FM values ≥ percentile 90 were considered as pathological. Student's Results: We included 13,381 students (59.7% male; mean age 19.8 ± 3.3 years). The prevalence of overweight and obesity in women (13.4%, 95% CI [12.5-14.3] and 4.6% [4.1-5.2]) was higher than in men (9.0% [8.4-9.6] and 2.2% [1.9-2.5]), p < 0.001. The underweight was also more frequent in women (10.2[9.4-11.0]) than in men (9.0[8.4-9.7]), p = 0.021. Women had a higher percentage of FM (median 23.6%, IQ 25: 15.1% and IQ 75: 30.1%) compared to men (13.8%; 10.4% and 19.4%), p < 0.01. The correlation between FM and BMI (r = 0.414; p < 0.001) was better in women compared to the men (r = 0.318, p < 0.001). The areas under the ROC curves plotted from BMI values and FM cut-offs ≥ percentile 90 (women = 35.8% and men = 26.0%), were 0.9038 in women (youden index = 0.73) versus 0.5899 in men (youden index = 0.14). Conclusion: Overweight/obesity and underweight coexist among candidates particularly in women for student recruitment, at the University of Kinshasa, which illustrate the double burden of malnutrition in the academic young population. Using bioimpedance to assess body composition, BMI correlates better with FM in women; the usual thresholds defining overweight and obesity were not valid in men.
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