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Table 1 Socio-demographic and clinical characteristics of African American and non-Hispanic white American colon cancer patients in California, 1996-2000

From: Lack of access to chemotherapy for colon cancer: multiplicative disadvantage of being extremely poor, inadequately insured and African American

  African American, No. (%) Non-Hispanic White, No. (%)
Age at diagnosis,** y
  25 - 59 129 28.1 563 18.8
  60 - 69 99 21.6 629 21.0
  70 - 79 138 30.1 980 32.7
  ≥ 80 93 20.3 829 27.6
Women** 275 59.9 1,574 52.4
Neighborhood poverty prevalence,**%     
  < 5 31 6.8 1,240 41.3
  5 - 29 76 16.6 1,131 37.7
  ≥ 301 352 76.7 630 21.0
Primary health insurers**     
  Private 194 42.3 1,409 47.0
  Medicare 201 43.8 1,391 46.4
  Medicaid 36 7.8 72 2.4
  Uninsured 28 6.1 129 4.3
Stage at diagnosis     
  II 184 40.1 1,270 42.3
  III 132 28.8 927 30.9
  IV 143 31.2 804 26.8
Tumor grade     
  I 31 7.4 192 6.8
  II 286 68.4 1,863 66.4
  III or IV2 101 24.2 752 26.8
  Missing data* 41 8.9 194 6.5
Examined 12 or more RLN3 124 40.4 939 44.1
  Missing data 9 2.8 67 3.0
Received chemotherapy* 145 31.7 1,124 37.6
  Missing data 2 0.4 9 0.3
  1. Note. RLN, Regional lymph nodes.
  2. 1Median annual household income for extremely poor AA ($22,600) and NHWA ($23,650) subsamples; median test [32], χ2 (1, N = 982) = 5.51, p < .05.
  3. 2Only 23 (0.7%) of the tumors were undifferentiated or grade IV.
  4. 3Stage IV metastasized disease excluded.
  5. * p < .10 and ** p < .05 for between-ethnic group difference (χ2 test).