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Table 1 Demographic characteristics of beneficiaries and proportion receiving colon tests

From: Persistent demographic differences in colorectal cancer screening utilization despite Medicare reimbursement

    Any invasive test * Invasive screening test †
  Demographic characteristics (n, %) Fecal occult blood test (%) All (%) Colono- scopy (%) Flexible sigmoid-oscopy (%) Barium enema (%) All (%) Colon-oscopy (%) Flexible sigmoid-oscopy (%) Barium enema (%)
All subjects 401961 (100) 9.15 7.19 4.19 2.41 0.59 3.48 1.44 1.86 0.18
Sex           
   Male 168206 (41.8) 8.57* 7.48* 4.31* 2.64* 0.54* 4.04* 1.73* 2.12* 0.18
   Female 233755 (58.2) 9.57 6.97 4.11 2.25 0.62 3.08 1.23 1.66 0.18
Age           
   65–69 100754 (25.1) 10.27* 7.87* 4.35* 3.05* 0.47* 4.39* 1.71* 2.51* 0.18
   70–74 100454 (25.0) 10.39 8.04 4.59 2.87 0.59 4.19 1.73 2.27 0.19
   75–79 90975 (22.6) 9.77 7.56 4.53 2.39 0.64 3.60 1.58 1.82 0.20
   ≥ 80 109778 (27.3) 6.48 5.46 3.39 1.41 0.65 1.89 0.83 0.90 0.16
Race           
   White 380492 (94.7) 9.36* 7.27* 4.23* 2.45* 0.59* 3.53* 1.46* 1.89* 0.18
   Black 5649 (1.4) 4.66 6.30 3.77 2.05 0.48 2.81 1.26 1.49 0.07
   Hispanic 2179 (0.5) 3.12 4.68 2.75 0.87 1.06 1.61 0.60 0.69 0.32
   Asian 6946 (1.7) 5.83 5.64 3.43 1.86 0.30 2.58 1.04 1.41 0.13
   Other 6595 (1.6) 6.60 5.78 3.71 1.77 0.29 2.56 1.12 1.35 0.09
Residence           
   Rural 73041 (18.2) 10.64* 6.85* 4.04 2.28 0.54 3.26* 1.37 1.72* 0.17
   Urban 328920 (81.8) 8.82 7.26 4.22 2.44 0.60 3.53 1.46 1.89 0.18
  1. * Statistically significant difference (p < 0.005).
  2. * All flexible sigmoidoscopy, colonoscopy, or barium enema exams
  3. † Invasive tests (flexible sigmoidoscopy, colonoscopy, or barium enema) without an associated exclusion diagnosis such as abdominal pain or anemia