Table 3

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

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

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.

N = ; Less than 57 due to blank responses

Nelson and Schwartz BMC Cancer 2004 4:76   doi:10.1186/1471-2407-4-76