Income, age, and food consumption.
D000368:Aged; D000375:Aging; D002908:Chronic Disease; D004032:Diet; D004045:Dietary Services; D005247:Feeding Behavior; D005518:Food Preferences; D006801:Humans; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D012959:Socioeconomic Factors; D014481:United States