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Geographic information systems demonstrate links between health and location
Date:4/9/2012

San Diego, CA, April 10, 2012 The neighborhoods in which children and adolescents live and spend their time play a role in whether or not they eat a healthy diet, get enough exercise or become obese, concludes a collection of studies in a special theme issue of the American Journal of Preventive Medicine.

Each of the six studies uses the latest concepts and methods in geographic information systems (GIS)-based research to determine how the geographic location affects physical health. A study titled "Spatial Classification of Youth Physical Activity Patterns" shows, for example, that while rural youth get the largest proportion of their physical activity while at school, urban and suburban youth are most active when commuting. Not only does this finding suggest that the walk to school might be just as important to some children's health as is the physical education they receive as part of the school curriculum, it is also important given that adolescent health behaviors are predictive of behaviors in adults.

Another study by researchers in the United Kingdom concludes that adolescents in rural areas ate fast food more often when fast-food outlets were easily accessible, whereas the opposite was true for adolescents living in urban areas. The researchers, led by Lorna J. Fraser of the University of Leeds, conclude that although the need continues to exist for nutritional education regarding fast food, placing restrictions on the location of fast-food outlets may not decrease consumption of fast food in the same ways in all areas.

Brian E. Saelens and Lawrence D. Frank, along with their colleagues, authored two papers for the theme issue. "Obesogenic Neighborhood Environments, Child and Parent Obesity: The Neighborhood Impact on Kids Study" evaluated child and parent weight status across neighborhoods in Seattle and San Diego and ultimately found evidence that GIS-based definitions of obesogenic neighborhoods that consider both
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Contact: Beverly Lytton
eAJPM@ucsd.edu
858-534-9340
Elsevier Health Sciences
Source:Eurekalert

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