NHATS User Guides
The NHATS User Guide provides comprehensive descriptions of the NHATS conceptual framework, content, data file structure, created measures, and other relevant topics. Separate guides on how to account for sample design in NHATS analyses, vision and hearing assessments, Cogstate cognitive activities, and accelerometry data also are provided.
Dried Blood Spot (DBS) Biomarkers and Genetics
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 Quality Control and Imputation Report for Genotypic Data outlines the genetic sample collection, quality control processing, and imputation decisions made by the NHATS team to produce genotyped and imputed data on the NHATS dried blood spot samples.
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.
Long-Term Care Market Measures
The Long-Term Care Market Measures User Guide describes the compilation of long-term care market measures available to link to NHATS and NSOC in the NHATS Restricted Data Repository.
1940 Census Linkage
The 1940 Census Linkage User Guide describes the linkage of NHATS SPs to the 1940 Census.
National Health and Aging Trends Study 1940 Census Linkage User Guide
Sample Design, Weighting, and Income Imputation
Technical papers describing the NHATS sample design, round-specific survey weights, and income imputation procedures are provided.
|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.