Modified 24 hour recall diefary sarvey method and its application in a pidemiological research of cardiovascular discasas

For the purpose of developing an individual dietary survey method being comparable with international standardized nutritional survey method, appropriate for the features of Chinese diet and applicable in epidemiological 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 interviewets, 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.