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.
Any patient portal use and initiation of secure messaging among users, by healthcare engagement scores. Error bars are 95% confidence intervals. Predicted probabilities are adjusted for age group, race/ethnicity, rurality, and Nosos risk scores. Pr, probability.
