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.
Log intensity ratio for change from baseline in Quick Inventory of Depressive Symptomology—Self-Rated (QIDS-SR) score as a function of time (in days) at the last visit, in a Cox model for assessment intensity for (A) the bupropion group, (B) the sertraline group, and (C) the venlafaxine group. Solid lines indicate the estimated regression coefficient from a spline fit, and dashed lines indicate a 95% CI.
