• A O Fagbohun, A E Orimadegun, J O Yaria, and A G Falade.
• Department of Paediatrics, College of Medicine, University of Ibadan, Ibadan, Nigeria.
• Niger J Clin Pract. 2021 Jul 1; 24 (7): 1015-1021.

BackgroundThe relationship between body mass index (BMI) and health-related quality of life (HRQoL) in adolescence is important but there is a dearth of this information among developing countries such as Nigeria. To assess the relationship between BMI and HRQoL among healthy schooling adolescents in Southwestern Nigeria.AimsWe assessed the relationship between BMI and HRQoL among healthy schooling adolescents in southwestern Nigeria.MethodsIn a cross-sectional study design, 650 adolescents were selected and interviewed about their quality of life in the preceding 1 month using a validated instrument with contents adapted from the Pediatric Quality of Life Inventory (PedsQLTM) questionnaire. The BMI was calculated and plotted on the Center for Disease Control and Prevention percentile chart to categorize as underweight, normal, overweight, or obese. Comparisons were made using Student's t-test, ANOVA, and linear regression model at P = 0.05.ResultsParticipants mean BMI and overall HRQoL score was 19.0 ± 3.0 kg/m2 and 73.7 ± 11.7, respectively. The prevalence of underweight, overweight, and obesity was 6.9%, 2.3%, and 0.6%, respectively. Females (72.3 ± 12.2) had a significantly lower overall mean HRQoL score than males (75.0 ± 11.1), P = 0.048. Post-hoc ANOVA showed that obese adolescents had significantly lower mean HRQoL in school functioning domain (55.0 ± 20.8) than underweight (83.5 ± 14.), and normal BMI (81.3 ± 16.3) participants (P < 0.05).ConclusionObesity reduces HRQoL in the school functioning domain among adolescents in Ibadan, Nigeria. Our finding buttresses the need to monitor body mass and size in high schools for enhancing quality of life.

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