1. Economic Research Service, US Department of Agriculture. Food CPI, Prices, and Expenditures: Foodservice as a Share of Food Expenditures. 2008. Available at: http://www.ers.usda.gov/briefing/CPIFoodAndExpenditures/Data/table12.htm. Accessed January 21, 2009.
2. ARS Food Surveys Research Group, US Department of Agriculture. Results from USDA's 1996 Continuing Survey of Food Intakes by Individuals. 2000.
3. Nutrient contribution of food away from home;Lin,1999
4. The effect of eating out on quality of diet in premenopausal women;Clemens;J Am Diet Assoc,1999
5. Fast food restaurant use among women in the Pound of Prevention study: dietary, behavioral and demographic correlates;French;Int J Obes Relat Metab Disord,2000