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.
Nelson-Aalen cumulative hazard plot depicting a gradient in the hazard of an epilepsy diagnosis between those without depression, those with depression, and those who are receiving depression therapy. Depression is treated as a time-varying covariate in this analysis. The shaded areas indicate 95% CI.
