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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: JAMA Intern Med. 2016 Apr;176(4):473–482. doi: 10.1001/jamainternmed.2015.8581

Figure. Weighted Prevalence Estimates of Prescription and Over-the-Counter Medication and Dietary Supplement Use Among Older Adults in the United States.

Figure

Error bars indicate 95% CIs. P values are based on a Wald test of the predictive margin calculated by averaging the age-specific differences in predicted prevalence (on the logit scale) between waves over the observed ages in the sample and by using a design-based estimate of variance.

aP < .05.