Data Collection / Study Administration
The first wave of NHATS will consist of an interview conducted in the study participant's home that involves answering questions and doing simple activities such as walking and standing. Interviews will be conducted by professionally trained interviewers from Westat. Westat is a research survey firm, based in Rockville, Maryland, that conducts some of the largest health surveys in the United States. Westat is conducting the interview for the Johns Hopkins Bloomberg School of Public Health, which has lead responsibility for NHATS.
