The international study of childhood obesity, lifestyle and the environment (ISCOLE): Design and methods

Peter T Katzmarzyk, Tiago V Barreira, Stephanie T Broyles, Catherine M Champagne, Jean-Philippe Chaput, Mikael Fogelholm, Gang Hu, William D Johnson, Rebecca Kuriyan, Anura Kurpad, Estelle V Lambert, Carol Maher, José Maia, Victor Matsudo, Tim Olds, Vincent Onywera, Olga L Sarmiento, Martyn Standage, Mark S Tremblay, Catrine Tudor-LockePei Zhao, Timothy S Church

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The primary aim of the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE) was to determine the relationships between lifestyle behaviours and obesity in a multi-national study of children, and to investigate the influence of higher-order characteristics such as behavioural settings, and the physical, social and policy environments, on the observed relationships within and between countries.Methods/designThe targeted sample included 6000 10-year old children from 12 countries in five major geographic regions of the world (Europe, Africa, the Americas, South-East Asia, and the Western Pacific). The protocol included procedures to collect data at the individual level (lifestyle, diet and physical activity questionnaires, accelerometry), family and neighborhood level (parental questionnaires), and the school environment (school administrator questionnaire and school audit tool). A standard study protocol was developed for implementation in all regions of the world. A rigorous system of training and certification of study personnel was developed and implemented, including web-based training modules and regional in-person training meetings.
Original languageEnglish
Article number900
JournalBMC Public Health
Issue number1
Publication statusPublished - 2013


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