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Table 2 Subjective ratings of videos by group

From: Should a colon cancer screening decision aid include the option of no testing? A comparative trial of two decision aids

 

"With" Version (with discussion of not screening)

Mean

n = 57

"Without" Version

Mean

n = 49

p-value

Clarity of information on benefits*

3.4

4.0

<0.01

Amount of information on benefits*

2.9

2.9

0.72

Clarity of information on downsides

3.2

3.6

0.03

Amount of information on downsides

2.7

3.0

0.02

Helped me sort what was important

3.5

3.8

0.13

Helped me prepare for making a decision

3.5

3.9

0.03

Balance

1.8

1.6

0.05

Overall rating of video

3.5

3.8

0.03

  1. Measured with 5 point Likert response categories, Wilcoxon Rank Sum test statistic
  2. † n = 56 for "with" version
  3. * n = 48 for "without" version