Abstract
Background
The reference cut-offs for overweight and obesity have evolved from the use of International obesity task force (IOTF) to extended IOTF and revised Indian Academy of Pediatrics (IAP) growth charts.
Methods
Secondary analysis of anthropometric data of school-going children from Delhi in the year 2008, 2013 and 2015 was performed. The proportions of children with overweight, obesity, and undernutrition were checked for agreement using different diagnostic cutoffs, and compared at three-time points.
Results
Among 8417 adolescents, weighted Kappa statistics showed good agreement between extended IOTF and IAP cutoffs (k=0.933; 95% CI 0.93–0.94), between eIOTF and IOTF (k=0.624; 95% CI 0.619–0.629) and between IAP and IOTF (k=0.654; 95% CI 0.645–0.662). A higher proportion of adolescents were diagnosed with obesity with extended IOTF and IAP charts than IOTF charts (P<0.001 for both genders). The mean (SD) BMI showed a rising trend for adolescents overall from 19.61 (3.89) kg/m2 in 2008, 20.44 (4.37) kg/m2 in 2013 and 20.88 (4.60) kg/m2 in 2015 (P<0.001). 158 adolescent (97 girls) were undernourished using combined IAP and extended IOTF criteria.
Conclusion
Both extended IOTF and IAP charts showed good agreement for diagnosing overweight and obesity in adolescents. A secular trend in malnutrition was observed in adolescent girls.
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Contributors: RK: conceptualization, manuscript review and editing; AD,VR: data analysis, manuscript preparation; RKM: manuscript review and editing; RK: will act as final guarantor of the manuscript. All authors approved the final version of manuscript, and are accountable for all aspects related to the study.
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Ethics clearance: No separate ethical clearance taken for the present analysis, IEC permission was available for all included studies.
Competing interest:: None stated.
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Dabas, A., Rastogi, V., Khadgawat, R. et al. Predictive Performance of Different Diagnostic Criteria for Overweight and Obesity Between 2008–2015 in Adolescents. Indian Pediatr 59, 110–113 (2022). https://doi.org/10.1007/s13312-022-2439-z
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DOI: https://doi.org/10.1007/s13312-022-2439-z