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Table 1 Definitions of overweight and obesity in different studies

From: The epidemiological burden of obesity in childhood: a worldwide epidemic requiring urgent action

Metric Age group Source Definition Years
Overweight Under 5 years UNICEF, WHO, World Bank [45] WHO Child Growth Standard 1990–2018
Obesity 2–4 years IHME [46] International Obesity Task Force 1980–2015
Obesity 5–19 years NCD-RisC [47] WHO Growth Reference 1975–2016
  1. Abbreviations: IHME Institute for Health Metrics, NCD-RisC Non-Communicable Disease Risk Factor Collaboration, UNICEF United Nations Children’s Fund, WHO World Health Organization