各种社会因素、经济状况及生理、心理状态均可影响老年人的饮食习惯,进而影响其规定饮食的需求。其中包括经济收入水平、身体情况(医疗与牙齿保健),与社会隔离相关的心理状态、种族、性别以及其它象文化水平、饮食习惯的专门知识、用药、饮酒和食品购买的难易等。 有资料表明,农村老年人的营养摄入量明显低 Various social factors, economic conditions, and physiological and psychological conditions can affect the eating habits of the elderly, and thus affect their dietary requirements. These include economic income levels, physical conditions (medical and dental care), psychological conditions related to social isolation, ethnicity, gender, and other cultural levels, dietary expertise, medications, alcohol, and the ease with which foods can be purchased. Data indicate that the nutritional intake of rural elderly is significantly lower