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Nutrition Files

Household Daily Food Master File

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, it contains multiple years of data for each household.  A household can have from 1 to 9 years of data as designated by the WAVE variable, which includes the survey year, 1989 to 2011.  Each year will normally have multiple foods as designated by the FOODCODE variable.

This File consolidates 9 separate diet survey files:

1989 1991 1993 1997 2000 2004 2006 2009
2011
C89NUTR1 C91NUTR2 C93NUTR2 C97NUTR2 C00NUTR1 C04NUTR1 C06NUTR1 C09NUTR1 C11NUTR1

Certain variable names have been changed to be consistent across all survey years and not all variables contain information for all years.

NOTE: Food amounts were collected in jins (500 grams) from 1989 through 2000. In 2004 and subsequent years, food amounts were collected in grams.

Click here for more information (code book).

Individual Daily Meal Master File

The CHNS Individual Daily Food Master File (NUTR2) contains information regarding the individual meals that were eaten during the CHNS Diet Survey.  As a longitudinal file, it contains multiple years of data for each individual.  An individual can have from 1 to 9 years of data as designated by the WAVE variable, which includes the survey year, 1989 to 2011. 

This file consolidates 9 separate diet survey files:

1989 1991 1993 1997 2000 2004 2006 2009 2009
C89NUTR2 C91NUTR3 C93NUTR3 C97NUTR3 C00NUTR2 C04NUTR2 C06NUTR2 C09NUTR2 C11NUTR2

 

Some variable names have been changed to be consistent across all survey years and not all variables contain information for all years.

Click here for more information (code book).

Individual Daily Food Master File

The CHNS Individual Daily Food Master File contains information regarding the individual foods that were consumed during the CHNS Diet Survey.  As a longitudinal file, it contains multiple years of data for each individual.  An individual can have from 1 to 9 years of data as designated by the WAVE variable, which includes the survey year, 1989 to 2011.  Each year an individual will normally have multiple foods per meal, multiple meals per day, and multiple days (1 to 3) per year. 

This file consolidates 10 separate diet survey files:

1989 1991 1993 1997 2000 2004 2006 2009 2011
C89NUTR3 C91NUTR4 C93NUTR4 C97NUTR4 C00NUTR3 C04NUTR3
C04DIET3
C06NUTR3 C09NUTR3 C11NUTR3

Some variable names have been changed to be consistent across all survey years and not all variables contain information for all years.

Click here for more information (code book).

Individual Daily Nutrient Intakes Master File

The CHNS Individual Daily Nutrients Intake Master File (Macro_Nutrients) contains information regarding the individual nutrient intakes that were converted from foods consumed during the CHNS Diet Survey.  As a longitudinal file, it contains multiple years of data for each individual.  An individual can have from 1 to 9 years of data as designated by the WAVE variable, which includes the survey years 1989 to 2011.  Each year an individual will normally have multiple foods per meal, multiple meals per day, and multiple days (1 to 3) per year.  As a longitudinal file, all data for a single individual are provided using that individual's most current ID, even when they had data from more than one household.

Click here for more information (code book).

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