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. 2011 Aug 16;8(8):e1001075. doi: 10.1371/journal.pmed.1001075

Table 2. Characteristics of multivariate propensity score-matched beneficiaries who reached the coverage gap spending threshold in the Early Part D cohort, 2006, or the Established Part D cohort, 2007.

Characteristics Early Part D Cohort, 2006n = 6,504 Established Part D Cohort, 2007n = 5,454
Exposed (No Financial Assistance) n = 1,084 Unexposed (Receive Financial Assistance) n = 5,420 Delta Exposed (No Financial Assistance) n = 909 Unexposed (Receive Financial Assistance) n = 4,545 Delta
n (%) or mean ± SD
Female gender 689 (64) 3,439 (63) −1% 603 (66) 2,996 (66) 0%
Age (y) as of January 1 of study year
65–74 485 (45) 2,312 (43) −2% 354 (39) 1,753 (39) 0%
75–84 433 (40) 2,253 (42) +2% 395 (43) 1,984 (44) +1%
85+ 166 (15) 855 (16) +1% 160 (18) 808 (18) 0%
Race
White 1,041 (96) 5,198 (96) 0% 878 (97) 4,401 (97) 0%
Black 30 (3) 156 (3) 0% 20 (2) 100 (2) 0%
Other 13 (1) 66 (1) 0% 11 (1) 44 (1) 0%
Region
Northeast 513 (47) 2,526 (47) 0% 399 (44) 1,998 (44) 0%
Midwest 210 (19) 1,085 (20) +1% 132 (15) 723 (16) +1%
South 273 (25) 1,415 (26) +1% 287 (32) 1,373 (30) −2%
West 88 (8) 394 (7) −1% 91 (10) 451 (10) 0%
Charlson comorbidity score 2±2 2±2 0 points 2±2 2±2 0 points
n physician visits 13±10 13±12 0 visits 12±10 12±11 0 visits
n hospitalizations 0.3±1 0.3±1 0 hospitalizations 0.3±1 0.3±1 0 hospitalizations
n office-based drug infusions 0.1±1 0.1±1 0 infusions 0.1±1 0.1±1 0 infusions
Diagnosis of cancer 223 (21) 1,111 (21) 0% 175 (19) 838 (18) −1%
Diagnosis of rheumatoid arthritis 42 (4) 205 (4) 0% 40 (4) 235 (5) +1%
Diagnosis of cardiovascular condition 1,014 (94) 5,062 (93) −1% 844 (93) 4,253 (94) +1%
Diagnosis of depression 123 (11) 570 (11) 0% 98 (11) 468 (10) −1%
Diagnosis of diabetes 436 (40) 2,181 (40) 0% 349 (38) 1,750 (39) +1%
Diagnosis of dementia 105 (10) 527 (10) 0% 93 (10) 457 (10) 0%

SD, standard deviation.