Figure 1.
Diagram of the cohort study design used to explore the association between PA level at baseline and incident short sleep time in the follow-up (observation: this same template was applied for the other sleep outcomes).
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.