2023 Codebook

Submitted by ghoffman on

The codebook provides information about each variable in the 2023 data set, including variable names, labels, definitions, protocol number, variable type, and frequencies.

2021 Codebook

Submitted by kmcguire on

The codebook provides information about each variable in the 2021 data set, including variable names, labels, definitions, protocol number, variable type, and frequencies.