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The International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE): design and methods
Open accessAbstract
BACKGROUND: 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/DESIGN: The 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. DISCUSSION: The 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.
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“We also used objective measurements for sleep and activity behaviors, a highly standardized measurement protocol, and a rigorous quality control program to ensure consistent data collection across all study sites (8).”
From Are children like werewolves? Full moon and its association with sleep and activity behaviors in an international sample of children (2016) · cites this paper as [8]
In the citing paper
“Based on an a priori power calculation analysis (8), the objective was to enroll a sex-balanced sample of at least 500 participants per site.”
From Are children like werewolves? Full moon and its association with sleep and activity behaviors in an international sample of children (2016) · cites this paper as [8]
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“A standard protocol was used to collect data across all sites, and all study personnel underwent rigorous training and certification to ensure the quality of collected data (8).”
From Are children like werewolves? Full moon and its association with sleep and activity behaviors in an international sample of children (2016) · cites this paper as [8]
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“A standard protocol was used to collect data across all sites, and all study personnel underwent rigorous training and certification before and during the data collection to ensure the quality of data collected [22].”
From Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study (2016) · cites this paper as [22]
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“Body weight and height were measured according to standardized procedures by trained ISCOLE staff [22].”
From Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study (2016) · cites this paper as [22]
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“In comparison to the studies mentioned above, the countries participating in ISCOLE have a much wider range of economic and social development levels [20, 22]”
From Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study (2016) · cites this paper as [22]
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Self-citation
Metadata
- Authors
- Katzmarzyk, P. T., Barreira, T. V., Broyles, S. T., Champagne, C. M., Chaput, J.-P., Fogelholm, M., Hu, G., Johnson, W. D., Kuriyan, R., Kurpad, A., Lambert, E. V., Maher, C., Maia, J., Matsudo, V., Olds, T., Onywera, V., Sarmiento, O. L., Standage, M., Tremblay, M. S., Tudor-Locke, C., Zhao, P., & Church, T. S.
- Affiliations
- Pennington Biomedical Research Center (US)
- Children's Hospital of Eastern Ontario (CA)
- University of Helsinki (FI)
- St. John's Research Institute (IN)
- University of Cape Town (ZA)
- University of South Australia (AU)
- Universidade do Porto (PT)
- Centro de Estudos do Laboratório de Aptidão Física de São Caetano do Sul (BR)
- Kenyatta University (KE)
- Universidad de Los Andes (CO)
- University of Bath (GB)
- Tianjin Women's and Children's Health Center (CN)
- Corresponding author
- Katzmarzyk, Peter T
- ORCID
- Katzmarzyk, Peter T
- Barreira, Tiago V
- Broyles, Stephanie T
- Champagne, Catherine M
- Chaput, Jean-Philippe
- Fogelholm, Mikael
- Hu, Gang
- Johnson, William D
- Kuriyan, Rebecca
- Kurpad, Anura
- Lambert, Estelle V
- Maher, Carol
- Maia, José
- Matsudo, Victor
- Olds, Tim
- Onywera, Vincent
- Sarmiento, Olga L
- Standage, Martyn
- Tremblay, Mark S
- Tudor-Locke, Catrine
- Church, Timothy S
- Venue
- BMC Public Health
- Published
- 2013-09-30
- Volume
- 13
- Issue
- 1
- Pages
- 900-900
- ISSN
- 1471-2458 (ISSN-L)
- PMC
- PMC3849927
- OpenAlex
- W2163068346
- Cited by
- 357
- References
- 53
- Citations by year
- 2026: 7 · 2025: 9 · 2024: 16 · 2023: 27 · 2022: 16 · 2021: 38 · 2020: 36 · 2019: 25 · 2018: 36 · 2017: 38 · 2016: 36 · 2015: 47 · 2014: 25 · 2013: 1
- FWCI
- 37.15
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- BMC Public Health (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- The University of Bath Online Publications Store (The University of Bath) (submittedVersion, cc-by)
- Pure (University of Bath) (submittedVersion, cc-by)
- Työväentutkimus Vuosikirja (submittedVersion)
- Kenyatta University Institutional Repository (Kenyatta University) (submittedVersion)
- uO Research (University of Ottawa) (submittedVersion, public-domain)
- UniSA Research Outputs Repository (University of South Australia) (submittedVersion, other-oa)
- Greater South Information System
- Funders
- Coca-Cola Foundation
- Wake Forest University
- University of South Australia
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Physical Activity and Health
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity and Health Practices
- Keywords
- childhood obesity, lifestyle habits, energy balance, physical activity, diet, accelerometry, school environment, neighborhood environment, parental influence, environmental policy, cross-national comparison, multinational study, obesity prevention
- MeSH terms
- Anthropometry, Child, Cross-Sectional Studies, Female, Health Promotion, Humans, International Cooperation, Life Style, Male, Research Design, Schools, Social Environment, Pediatric Obesity
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