• B Swinburn, G Egger, and F Raza.
• Department of Community Health, University of Auckland, Auckland, New Zealand. b.swinburn@auckland.ac.nz
• Prev Med. 1999 Dec 1; 29 (6 Pt 1): 563-70.

BackgroundThe "obesogenicity" of modern environments is fueling the obesity pandemic. We describe a framework, known as ANGELO (analysis grid for environments linked to obesity), which is a conceptual model for understanding the obesogenicity of environments and a practical tool for prioritizing environmental elements for research and intervention.MethodsDevelopment of the ANGELO framework. The basic framework is a 2 x 4 grid which dissects the environment into environmental size (micro and macro) by type: physical (what is available), economic (what are the costs), political (what are the "rules"), and sociocultural (what are the attitudes and beliefs). Within this grid, the elements which influence food intake and physical activity are characterized as obesogenic or "leptogenic" (promoting leanness).ResultsApplication of the ANGELO framework. The ANGELO framework has been piloted at the population level (island communities) to prioritize the settings/sectors for intervention and at the setting level (fast food outlets) to prioritize research needs and interventions. Environmental elements were prioritized by rating their validity (evidence of impact), relevance (to the local context), and potential changeability.ConclusionsThe ANGELO framework appears to be a flexible and robust instrument for the needs analysis and problem identification stages of reducing the obesogenicity of modern environments.Copyright 1999 American Health Foundation and Academic Press.

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