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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Pharmacoepidemiol Drug Saf. 2012 May;21(Suppl 2):90–98. doi: 10.1002/pds.3250

Table 2.

Selected baseline characteristics of PS-matched patients who reached the coverage gap spending threshold in 2006 or 2007.

Exposed (No financial assistance in coverage gap) N = 8,054 Unexposed (Financial assistance in coverage gap) N = 8,054 Delta
N (%) or mean ± SD
Female gender 5,066 (63) 5,061 (63) 0%
Age as of January 1 of the study year
 65 – 74 4,092 (51) 4,102 (51) 0%
 75 – 84 3,104 (39) 3,080 (38) −1%
 85+ 858 (11) 872 (11) 0%
Race
 White 7,726 (96) 7,767 (96) 0%
 Black 232 (3) 199 (2) −1%
 Other 96 (1) 88 (1) 0%
Region
 Northeast 3,088 (38) 3,080 (38) 0%
 Central 1,469 (18) 1,533 (19) +1%
 South 2,789 (35) 2,741 (34) −1%
 West 708 (9) 700 (9) 0%
Urban residence 6,081 (76) 6,085 (76) 0%
Median household income in zip code of residence ($) 48,571 ± 20,468 48,693 ±21,459 +$122
Charlson comorbidity score* 2 ± 2 2 ± 2 0 points
Number of physician visits* 11 ± 8 11 ± 9 0 visits
Number of hospitalizations* 0.4 ± 1 0.4 ± 1 0 hospitalizations
Number of unique medications 6 ± 3 6 ± 3 0 medications
Diagnosis of:*
 Atrial fibrillation 427 (5) 390 (5) 0%
 Congestive heart failure 1,909 (24) 1,910 (24) 0%
 Coronary artery disease 3,355 (42) 3,318 (41) −1%
 Hypertension 7,028 (87) 7,003 (87) 0%
*

Assessed in the baseline year.

Assessed in the 2 months prior to reaching the coverage gap spending threshold.