Fig 2 Estimated calorie content versus actual calorie content of meals among adults, adolescents, and school age children in fast food restaurants in four cities in New England, 2010 and 2011. Figure shows predicted estimated calorie content, calculated from fully adjusted models for participants with covariates at reference values or means, at fixed values for actual meal calorie content. Underestimation of calorie content of meals was greater with larger meals for each of samples