This document provides information regarding each AHS metropolitan area and the geographic boundaries that were used in each survey year from 1973 to 2013.

See a complete list of Metropolitan Areas and Years in Sample

This document is a guide containing information users need to know before downloading and using the 1973-1996 AHS Public Use Files.

The AHS produces an Internal User File for researchers working on approved projects. This document explains what the IUF is and how to gain access.

This document describes sources of error in the AHS and provides methods for assessing measurement error and estimating standards errors from sampling.

Dependent interviewing uses results from previous surveys to reduce respondent burden. This document shows how it was for AHS in the years 2013 and earlier.