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.
Forest plots of associations between retention scores and retention performance at F1, F2, and F3. The estimates for F2 and F3 (for each survey score tertile) are presented with estimated 95% CIs. All estimates are relative to the rates for the lowest survey score tertile.