Nutrient density of diets in the USDA Nationwide Food Consumption Survey, 1977-1978: I. Impact of socioeconomic status on dietary density.
D003710:Demography; D004032:Diet; D002149:Energy Intake; D005006:Ethnicity; D005260:Female; D006077:Government Agencies; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D012044:Regression Analysis; D012959:Socioeconomic Factors; D014481:United States