Combining Ground-Truthing and Technology to Improve Accuracy in Establishing Children's Food Purchasing Behaviors.
Developing nutrition-focused environmental interventions for youth requires accurate assessment of where they purchase food. We have developed an innovative, technology-based method to improve the accuracy of food source recall among children using a tablet PC and ground-truthing methodologies. As part of the B'more Healthy Communties for Kids study, we mapped and digitally photographed every food source within a half-mile radius of 14 Baltimore City recreation centers. This food source database was then used with children from the surrounding neighborhoods to search for and identify the food sources they frequent. This novel integration of traditional data collection and technology enables researchers to gather highly accurate information on food source usage among children in Baltimore City. Funding is provided by the NICHD U-54 Grant #1U54HD070725-02.
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe Street, Baltimore, 21205 United States.
Hannah Lee
HL
Coakley
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe St, Global Center on Childhood Obesity, Baltimore, 21205 etanders@jhsph.edu.
Elizabeth Anderson
EA
Steeves
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe St, Global Center on Childhood Obesity, Baltimore, 21205 United States jessejonessmith@gmail.com.
Jessica C
JC
Jones-Smith
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe St, Global Center on Childhood Obesity, Baltimore, 21205 United States lhopkins@jhsph.edu.
Laura
L
Hopkins
Towson University, Allied Health, 8000 York Rd, Towson, 21252 United States nadinebraunstein@aol.com.
Nadine
N
Braunstein
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe St, Global Center on Childhood Obesity, Baltimore, 21205 United States ymui@jhsph.edu.
Yeeli
Y
Mui
Johns Hopkins Bloomberg School of Public Health, Center for Human Nutrition, 615 N Wolfe St, Global Center on Childhood Obesity, Baltimore, 21205 jgittels@jhsph.edu.
Joel
J
Gittelsohn
African Americans; Baltimore; GIS; children; food environment; food sources; low-income; mapping; obesity; purchasing patterns; software; technology