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October 19, 2011

Restaurant Foods and Stated Energy Contents—Reply

Author Affiliations

Letters Section Editor: Jody W. Zylke, MD, Senior Editor.

Author Affiliations: USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts (susan.roberts@tufts.edu).

JAMA. 2011;306(15):1655-1657. doi:10.1001/jama.2011.1493

In Reply: Dr Dubost questions the methodology of collecting and analyzing food samples used in our study evaluating the accuracy of stated energy contents of randomly selected foods purchased in randomly selected restaurants in 3 regions of the United States. Dubost notes that the USDA has collected foods, including a small number of foods from restaurants, for composition analysis using a protocol1 that shares similarities with the protocol the Food and Drug Administration uses for testing the nutrient contents of commercial packaged food items and suggests that our protocol is less valid because we took fewer replicates from fewer locations. We disagree.