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. 2014 Aug 8;3:416. doi: 10.1186/2193-1801-3-416

Table 3.

Women's census tract median income and facility characteristics by race/ethnicity among early stage breast cancer female Medicare beneficiaries with a mastectomy (N = 17,958) from 2005-2009

Caucasian (N = 15,404) African American (N = 1,484) Other β(N = 1,070)
Women's characteristics N (column%)
Median income
  Quartile 4 (> = $59,450) 3,953 (25.9) 134 (9.1) 361 (34.0)
  Quartile 3 ($44,000-$59,449) 3,962 (26.0) 221 (15.0) 278 (26.2)
  Quartile 2 ($33,750-43,999) 3,917 (25.7) 306 (20.7) 207 (19.5)
  Quartile 1 (<$33,750) 3,422 (22.4) 815 (55.2) 215 (20.3)
Facility characteristics α
Urban/Rural
  Urban 13,038 (86.4) 1,303 (89.3) 988 (94.1)
  Rural 2058 (13.6) 156 (10.7) 62 (5.9)
Teaching hospital
  No 8,115 (52.9) 574 (38.8) 498 (46.9)
  Yes 7,223 (47.1) 905 (61.2) 563 (53.1)
NCI cancer center
  No 14,858 (96.5) 1,433 (96.6) 1,010 (94.4)
  Yes 546 (3.5) 51 (3.4) 60 (5.6)
Cooperative oncology group
  No 7,386 (48.0) 759 (51.2) 536 (50.1)
  Yes 8,018 (52.0) 725 (48.8) 534 (49.9)
Disproportionate share hospital
  No 3,629 (23.8) 173 (11.7) 149 (14.1)
  Yes 11,620 (76.2) 1,306 (88.3) 911 (85.9)
Breast cancer surgery volume
  Quartile 4 (36+) 4,070 (26.5) 376 (25.4) 228 (21.4)
  Quartile 3 (19-35) 4,009 (26.1) 323 (21.8) 241 (22.7)
  Quartile 2 (9-18) 3,930 (25.6) 393 (26.6) 287 (27.0)
  Quartile 1 (1-8) 3,329 (21.7) 388 (26.2) 308 (29.0)

αMissing (N): Median Income (167); Facility's Urban/Rural (353); Teaching Hospital (80); Disproportionate Share Hospital (170); Breast Cancer Surgery Volume (76).

βOther includes Hispanic, Asian, Native American and Other.