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.
Proportion of regular aspirin users among adults not clinically indicated for aspirin therapy for primary cardiovascular disease prevention.
Notes: Based on a sensitivity analysis model stratified by age and number of ambulatory medical care encounters over the previous 3 years.
Abbreviation: SE, standard error.
