Available NHANES Datasets

Available Datasets

This package provides 71 NHANES datasets, automatically updated quarterly with data from 1999-2023 (excluding the 2019-2020 cycle).

Quick Start

library(nhanesdata)

# Load demographics data
demo <- read_nhanes('demo')

# Search for variables
term_search('blood pressure')

Categories

Questionnaire/Interview Tables - Self-reported data from participant interviews

Examination Tables - Physical measurements and laboratory results

Notes

All datasets span multiple survey cycles (1999-2023)
Each includes year and seqn columns for merging
Data types are harmonized across cycles
Variable names match CDC documentation

For detailed variable information, use term_search() or visit the CDC NHANES website.

Warning: CDC may change data periodically. The data was aggregated as best as possible to reconcile variable types that changed across cycles. ALWAYS reference the CDC documentation with nhanesdata::get_url(dataset)!

See get_url() documentation.