Panel A presents trends in any prescription drug use and use of ≥5
prescription drugs among US adults. Panel B presents trends in any use and in
use of ≥5 prescription drugs, by age group (≥20–39,
≥40–64, ≥65 y). Panel C and Panel D present trends for
any use and use of ≥5 prescription drugs, by sex and race/ethnicity
(non-Hispanic white, non-Hispanic black, Mexican American), respectively. All
trends statistically significant, except for any prescription drug use among
persons ages 20–39 (p-trend=0.22) and for any prescription drug
use among Mexican Americans (p-trend=0.17).
a All data are weighted to be nationally representative.