Round 1 Datasets and Documentation

Round 1 topics

• Air Cleaners and Purifiers
• Breast Cancer Screening
• Cancer Risk from Alcohol
• Chemical Hair Products
• Genetic Tests
• Gynecological Medical Procedures
• Long COVID
• Race and Ethnicity Measurement Methods
• Sunscreen
  

Data files

Restricted-use data

Access restricted data‎ from the National Center for Health Statistics (NCHS) Rapid Surveys Round 1 in the NCHS Research Data Center.

Documentation

Cognitive interviewing report

Cognitive interviewing is a popular research method used to evaluate survey questions. This technique provides a detailed picture of the meanings and processes respondents use to answer questions.