The CHNS Household Daily Food Master File (NUTR1) contains information regarding the household foods that were obtained, consumed and discarded during the CHNS Diet Survey. As a longitudinal file, this file contains multiple years of data for each household. A household can have from 1 to 7 years of data as designated by the WAVE variable which contains the survey year, 1989, 1991, 1993, 1997, 2000, 2004 or 2006. And each year will normally have multiple foods as designated by the FOODCODE variable.
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