Questionnaire Codebooks for Waves I, II, and III

Add Health Wave I, Wave II, and Wave III instruments are available in codebook form. The codebooks contain the original questions, variable names, and response frequencies. The codebooks are pdf files compressed into ZIP files for faster downloading. After you have downloaded the files, use a decompression software to unzip them and Adobe Reader to view and print them.

Indexes

For reference, index files (*ndx) list all the questions and corresponding variable names in seven of the Wave I, Wave II, and Wave III instruments. The index files are also pdfs compressed into ZIP files and require downloading and decompression.

Section-Variable Lists

A shorter reference, section-variable lists provide the names of each section and the corresponding variable prefixes for each section in the Wave I, II, and III In-Home Interviews. The section-variable lists are not compressed; readers can view, print, or save from any browser.