The NHATS User Guide provides comprehensive descriptions of the NHATS conceptual framework, content, data file structure, created measures, and other relevant topics. A separate guide on how to account for sample design in NHATS analyses also is provided.
Dried Blood Spot (DBS) Biomarkers
The Dried Blood Spot (DBS) User Guide provides details on the Round 7 collection and assays conducted to foster study of the biologic risk of disability progression.
The COVID-19 Supplement User Guide provides details on the Round 10 mail surveys of NHATS participants and their helpers about their experiences with COVID-19.
Sample Design, Weighting, and Income Imputation
|Sample Person Interview
(including Facility Questionnaire)
|Last Month of Life Interview|
Instruments & Variables
|Crosswalk of Changes Between
Beta & Final Release
Data Collection Materials
Data Collection Procedures
Data Collection Procedures are provided for each round.
Showcards are used throughout the interview as visual aids for the respondent when answering the selected question.