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Unadjusted prevalence rates of cost-related medication nonadherence and spending less on basic needs among community-dwelling Medicare beneficiaries, 2004–2006a
Abbreviation: CRN, cost-related medication nonadherence
a Survey results weighted to national Medicare population. N ~37 to 38 million; item response rates, survey sample size, and Medicare target population vary by year and study measure. Brackets represent 95% confidence intervals around rates.
