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.
Serial cross-sectional estimates of prescription medication use among U.S. noninstitutionalized adults aged 65 and older (1988–2010) including (A) mean, median, and interquartile range for total number of prescription medications used, and (B) proportion taking 0, 1–4, and ≥5 prescription medications, with 95% confidence intervals.
