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BMC Public Health

, 13:900

Infectious Disease epidemiology


BackgroundThe 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.

DiscussionThe results of this study will provide a robust examination of the correlates of adiposity and obesity in children, focusing on both sides of the energy balance equation. The results will also provide important new information that will inform the development of lifestyle, environmental, and policy interventions to address and prevent childhood obesity that may be culturally adapted for implementation around the world. ISCOLE represents a multi-national collaboration among all world regions, and represents a global effort to increase research understanding, capacity and infrastructure in childhood obesity.

KeywordsAdiposity Behaviour Pediatric obesity Energy balance Physical activity Nutrition AbbreviationsBMIBody mass index

ENERGYEuropeaN energy balance research to prevent excessive weight gain among youth

EYHSEuropean youth heart study

FFQFood frequency questionnaire

HBSCHealth behaviours in school-aged children

HDIHuman development index

HELENAHealthy lifestyle in Europe by nutrition in adolescents

IDEAIdentifying determinants of eating and activity

IDEFICSIdentification and prevention of dietary- and lifestyle-induced health effects in children and infants

ISCOLEInternational study of childhood obesity, lifestyle and the environment

NIKNeighborhood impact on kids

SHAPESSchool health action, planning and evaluation system

SHPPSSchool health policies and practices study

SPEEDYSport, physical activity and eating behaviour: environmental determinants in young people.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2458-13-900 contains supplementary material, which is available to authorized users.

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Autor: Peter T Katzmarzyk - Tiago V Barreira - Stephanie T Broyles - Catherine M Champagne - Jean-Philippe Chaput - Mikael Foge


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