Constructed Variables

Income Measures

The constructed household income variables have been completely revised in 2008, and individual income variables have been constructed as well. These measures are fully documented here (PDF format):

Household Income Variable Construction, 92 KB
List of constructed household income variables, 11 KB
Individual Income Variable Construction, 44 KB
List of constructed individual income variables, 10 KB

These files are longitudinal, with one observation per household or individual per wave. Income measures include:

Household Income (C07HHINC.sas7bdat)

Total Annual Household Income, nominal

Total Annual Household Income, inflated to 2006

Per Capita Household Income

Components of household income (business, wages, etc.)

Individual Income (C07INDINC.sas7bdat)

Total Annual Individual Income, nominal

Total Annual Individual Income, inflated to 2006

Components of individual income (business, wages, etc.)

Follow the link below to "Download Constructed Variables" and select "Longitudinal" to find the constructed income files.

Nutrient Intake Variables

Nutrient intake variables are constructed. The unit of anlysis for these files is individual.

Nutrient intake variables include:

Average Daily Calorie Intake (in Kilocalories) for each survey year

Average Daily Protein Intake (in grams) for each survey year

Average Daily Fat Intake (in grams) for each survey year

Average Percent Calories From Fat for each survey year

Documentation for nutrient intake measures is not yet available, however brief descriptions of these measures are included in variable labels.

Download Constructed Variables