{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:18:49Z","timestamp":1760242729418,"version":"build-2065373602"},"reference-count":33,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2016,5,5]],"date-time":"2016-05-05T00:00:00Z","timestamp":1462406400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002848","name":"Comisi\u00f3n Nacional de Investigaci\u00f3n Cient\u00edfica y Tecnol\u00f3gica","doi-asserted-by":"publisher","award":["1141295"],"award-info":[{"award-number":["1141295"]}],"id":[{"id":"10.13039\/501100002848","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Objective: To determine the accuracy of two international Body Mass Index (BMI) cut-offs for classifying obesity compared to the percentage of fat mass (%FM) assessed by Dual-Energy X-ray Absorptiometry (DXA) in a Chilean sample of children and adolescents; Material and Methods: The subjects studied included 280 children and adolescents (125 girls and 155 boys) aged 8 to 17 years. Weight and height were measured. The BMI was calculated. Two international references (IOFT and WHO) were used as cut-off points. The %FM was assessed by DXA. The receiver operating characteristic (ROC) curve was used to assess the performance of BMI in detecting obesity on the basis of %FM; Results: A high correlation was observed between the %FM measured by the DXA and the Z-scores of IOTF and WHO scores in the Chilean adolescents separated by sex (r = 0.78\u20130.80). Differences occurred in both references (IOFT and WHO) in relation to the criteria (p &lt; 0.001). Both references demonstrated a good ability to predict sensitivity (between 84% and 93%) and specificity (between 83% and 88%) in both sexes of children and adolescents; Conclusions: A high correlation was observed between the Z-score of the BMI with the percentage of fat determined by the DXA. Despite this, the classifications using the different BMI cut-off points showed discrepancies. This suggests that the cut-off points selected to predict obesity in this sample should be viewed with caution.<\/jats:p>","DOI":"10.3390\/ijerph13050472","type":"journal-article","created":{"date-parts":[[2016,5,6]],"date-time":"2016-05-06T10:19:23Z","timestamp":1462529963000},"page":"472","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Accuracy of Body Mass Index Cutoffs for Classifying Obesity in Chilean Children and Adolescents"],"prefix":"10.3390","volume":"13","author":[{"given":"Rossana","family":"G\u00f3mez-Campos","sequence":"first","affiliation":[{"name":"Instituto de Actividad F\u00edsica y Salud, Universidad Autonoma de Chile, 5 Poniente 1670, Talca, Chile"},{"name":"Faculty of Physical Education, State University of Campinas, Avenida \u00c9rico Ver\u00edssimo, 701, Cidade Universit\u00e1ria Zeferino Vaz, Bar\u00e3o Geraldo, CEP 13083-851, Campinas, Brazil"},{"name":"Department of Research, Universidad Cient\u00edfica del Sur, Panamericana Sur Km 19 Villa, Lima, Per\u00fa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9098-1863","authenticated-orcid":false,"given":"Raquel","family":"David Langer","sequence":"additional","affiliation":[{"name":"Growth and Development Lab, Center for Investigation in Pediatrics (CIPED), School of Medical Sciences, University of Campinas (UNICAMP), CEP 13083-887, Campinas-SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roseane","family":"De F\u00e1tima Guimar\u00e3es","sequence":"additional","affiliation":[{"name":"Growth and Development Lab, Center for Investigation in Pediatrics (CIPED), School of Medical Sciences, University of Campinas (UNICAMP), CEP 13083-887, Campinas-SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mariana","family":"Contiero San Martini","sequence":"additional","affiliation":[{"name":"Growth and Development Lab, Center for Investigation in Pediatrics (CIPED), School of Medical Sciences, University of Campinas (UNICAMP), CEP 13083-887, Campinas-SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Cossio-Bola\u00f1os","sequence":"additional","affiliation":[{"name":"Faculty of Physical Education, State University of Campinas, Avenida \u00c9rico Ver\u00edssimo, 701, Cidade Universit\u00e1ria Zeferino Vaz, Bar\u00e3o Geraldo, CEP 13083-851, Campinas, Brazil"},{"name":"Department of Physical Activity Sciences, Catholic University of Maule, Av. San Miguel 3605, Talca, Chile"},{"name":"Research Network on Human Biological Development, Urb. Amauta C-6, Jose Luis Bustamante y Rivero, Arequipa, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel","family":"De Arruda","sequence":"additional","affiliation":[{"name":"Faculty of Physical Education, State University of Campinas, Avenida \u00c9rico Ver\u00edssimo, 701, Cidade Universit\u00e1ria Zeferino Vaz, Bar\u00e3o Geraldo, CEP 13083-851, Campinas, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2991-7678","authenticated-orcid":false,"given":"Gil","family":"Guerra-J\u00fanior","sequence":"additional","affiliation":[{"name":"Growth and Development Lab, Center for Investigation in Pediatrics (CIPED), School of Medical Sciences, University of Campinas (UNICAMP), CEP 13083-887, Campinas-SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ezequiel","family":"Moreira Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Growth and Development Lab, Center for Investigation in Pediatrics (CIPED), School of Medical Sciences, University of Campinas (UNICAMP), CEP 13083-887, Campinas-SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2016,5,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"766","DOI":"10.1016\/S0140-6736(14)60460-8","article-title":"Global, regional, and national prevalence of overweight and obesity in children and adults during 1980\u20132013: A systematic analysis for the Global Burden of Disease Study 2013","volume":"384","author":"Ng","year":"2014","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1016\/S2213-8587(13)70173-6","article-title":"Childhood and adolescent overweight and obesity in Latin America: A systematic review","volume":"2","author":"Rivera","year":"2014","journal-title":"Lancet Diabetes Endocrinol."},{"key":"ref_3","unstructured":"WHO Overview\u2013Preventing Chronic Diseases: A Vital Investment. 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