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Table 3 Mean test ranks for each domain of preference of colorectal cancer screening test:: individuals who have experienced none of the tests

From: A survey of individual preference for colorectal cancer screening technique

  Dimensions
Test Modality Preference Physical Discomfort Inconvenience Embarrassment Danger
Colonoscopy 3.13 3.42 3.56 3.07 3.57
Barium enema 2.83 3.11 2.98 3.15 3.05
Fiberoptic sigmoidoscopy 2.35 2.45 1.91 2.38 2.32
Faecal occult blood test 1.69 1.02 1.55 1.40 1.05
Friedman's test χ2 (3 df) 38.7* 112.6* 86.6* 65.9* 118.4*
Wilcoxon signed-ranks Z (FOBT vs. FS) 3.2* 6.5* 2.0* 4.3* 6.6*
N = 54 55 55 54 55
  1. Notes: Mean ranks for each test on each of the dimensions. Lower mean ranks refer to greater preference, and less discomfort, inconvenience, embarrassment, or danger. A * indicates test statistics that are significant at p < 0.05.
  2. N = ; Less than 57 due to blank responses