Baseline Characteristics by Antihypertensive Medication Intensity^a.

Abbreviations: BADL, basic activities of daily living; BMI, body mass index; COPD, chronic obstructive pulmonary disease; ESRD, end stage renal disease; IADL, instrumental activities of daily living; MI, myocardial infarction; PVD, peripheral vascular disease; RAS, renin angiotensin system; SD, standard deviation. aMembers of the 2004–2007 Medicare Current Beneficiary Survey with hypertension. Anti-hypertensive medication intensity is defined in Methods. Data are presented as number (%) unless otherwise indicated. bAll variables were included in the propensity model. cThe P-values in parentheses are the propensity score adjusted P-values. dd1 and d2 are the standardized differences between the moderate or high anti-hypertensive intensity groups, and the no hypertensive group, respectively; d2 is in parentheses. Standardized differences compare the mean differences between the comparison groups in units of the pooled standard deviations of the comparison groups, with a value of < 0.10 denoting negligible imbalance. See Statistical Analyses for details. In the full cohort before matching), 25 of the 36 PS covariates had d1 and/or d2 greater than 0.10 in contrast to 2 of 36 covariates for the PS-matched subcohort.