An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Multivariate regression models evaluating the relationship between respondent characteristics and poor quality of life among the cohort overall; those with early motor disease (Hoehn and Yahr stages II/III); and those with late motor disease (Hoehn and Yahr stages IV/V)