4   Artículos

 
en línea
Laura Seliske, William Pickett, Andrei Rosu and Ian Janssen    
This study included 6,971 students in grades 9 and 10 (ages 13 to 16 years) from 158schools who participated in the 2009/2010 Health Behaviour in School-aged Children Study. Students provided information on where they typically ate lunch. The number of f... ver más

 
en línea
Laura Seliske, William Pickett, Rebecca Bates and Ian Janssen    
Many studies examining the food retail environment rely on geographic information system (GIS) databases for location information. The purpose of this study was to validate information provided by two GIS databases, comparing the positional accuracy of f... ver más

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