【摘要】 <正> 在慢性病流行病学研究中要了解营养因素与疾病发生的关系,必须既有特定人群群体又有其中个体的膳食资料,要求调查方法在协作单位间要统一标准化,与国际上要有可比性。国际上慢性病流行病学研究中广泛应用24小时回忆膳食调查方法,它的优点是简便,给被调查者负担轻,能得到较高的应答率,易于抽样,结果具有较好代表性。为了建立适合我国膳食特点又与国际上的个体膳食调查方法可比,我们吸取其经验,并结合中国膳食特点加更多还原

【Abstract】 For the purpose of developing an individual dietary survey method being comparable with international standardized nutritional survey method, appropriafe for the features of Chinese diet and applicable in epidemio-logical study of chronic diseases, We developed the modified 24-hr recall method, started from a pilot study and now applied extensively in the study of risk factors of cardiovascular diseases, Here give a brief introduction of the construction and standardization of this method, include the training and cartification of interviewers, quality control of interviewing, compiling of food table and coding of ditary recall forms, using the nutrition data odtained from the dietary interviews, the feasibility, reliability and representativeness of this method were analyzed. The minimum size of a random sample-100 was recommended as to increase the reliability for study of population diet. at least 6 days interviews for each participant was saggested in order to reduce the effet of day to day variability and to increase the representativeness of individual diet.更多还原