Definitions, Accuracy, Historical Changes, and Questionnaires
2026
Subject Definitions
This document provides definitions and explanations of terms used in AHS tables.
Coming soon!
Accuracy of the Data
These documents provide a basic explanation of the sample design, estimation methodology, accuracy of the data, and formulas for statistical testing.
Coming soon!
Historical Changes
This document provides a complete list of changes to the questionnaire and the tables that have occurred since the previous survey year.
Coming soon!
Questionnaires
The survey questionnaires for Core and Topical Module sections.
Page Last Revised - January 29, 2026