Advancing science and policy through a coordinated international study of physical activity and built environments: IPEN adult methods

J. Kerr, J.F. Sallis, N. Owen, I. De Bourdeaudhuij, E. Cerin, T. Sugiyama, R. Reis, O. Sarmiento, K. Frömel, J. Mitáŝ, J. Troelsen, L.B. Christiansen, D. Macfarlane, D. Salvo, G. Schofield, H. Badland, F. Guillen-Grima, I. Aguinaga-Ontoso, R. Davey, A. BaumanB. Saelens, C. Riddoch, B Ainsworth, M. Pratt, T. Schmidt, L. Frank, M. Adams, T. Conway, K. Cain, D. Van Dyck, N. Bracy

Research output: Contribution to journalArticlepeer-review

141 Citations (SciVal)


Background: National and international strategies to increase physical activity easize environmental and policy changes that can have widespread and long-lasting impact. Evidence from multiple countries using comparable methods is required to strengthen the evidence base for such initiatives. Because some environment and policy changes could have generalizable effects and others may depend on each country's context, only international studies using comparable methods can identify the relevant differences. Methods: Currently 12 countries are participating in the International Physical Activity and the Environment Network (IPEN) study. The IPEN Adult study design involves recruiting adult participants from neighborhoods with wide variations in environmental walkability attributes and socioeconomic status (SES). Results: Eleven of twelve countries are providing accelerometer data and 11 are providing GIS data. Current projections indicate that 14,119 participants will provide survey data on built environments and physical activity and 7145 are likely to provide objective data on both the independent and dependent variables. Though studies are highly comparable, some adaptations are required based on the local context. Conclusions: This study was designed to inform evidencebased international and country-specific physical activity policies and interventions to help prevent obesity and other chronic diseases that are high in developed countries and growing rapidly in developing countries.
Original languageEnglish
Pages (from-to)581-601
Number of pages21
JournalJournal of Physical Activity & Health
Issue number4
Publication statusPublished - May 2013


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