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.
A-C, Mediation analysis demonstrating that the association of activity level on AHI is mediated by BMI. Activity level is associated with both (A) BMI and (C) AHI. (B) BMI is also strongly associated with AHI. The mediated effect is C-C′ or the difference in the point estimate of activity level on AHI without and with adjustment for BMI. AHI = apnea-hypopnea index.
