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Table 3 Objective and subjective comprehension in general and specialized population

From: How to present economic evaluations to non-technical audiences? Randomized trials with professionals and the general population

 

General population (N = 324)

Specialized population (N = 100)

Infographic (N = 120)

Plain text (N = 114)

Video-abstract (N = 90)

p-value

Policy brief

(N = 46)

Executive summary (N = 54)

p-value

Objective comprehension: No. of questions correctly responded (out of 3 questions) (N [%])

• Three

88 (73.33)

79 (69.30)

49 (54.44)

0.014*

28 (60.87)

40 (74.07)

0.174

• Two

20 (16.67)

24 (21.05)

26 (28.89)

16 (34.78)

12 (22.22)

• One

8 (6.67)

7 (6.14)

11 (12.22)

2 (4.35)

2 (3.70)

• None

4 (3.33)

4 (3.51)

4 (4.44)

0

0

Subjective comprehension: How sure are you about your answers? (N [%])

• Not at all (just guessing)

0

0

2 (2.22)

0.883

0

0

0.739

• Not very sure

3 (2.50)

5 (4.39)

3 (3.33)

2 (4.35)

2 (3.70)

• More or less

27 (22.50)

22 (19.30)

16 (17.78)

13 (28.26)

11 (20.37)

• Quite sure

49 (40.83)

46 (40.35)

34 (37.78)

22 (47.83)

33 (61.11)

• Completely sure

41 (34.17)

41 (35.96)

35 (38.89)

9 (19.57)

8 (14.81)

  1. Bold means statistically significant (p-values ≤ 0.05). * Statistical difference between groups: infographic vs. video abstract (p = 0.005); plain text vs. video abstract (p = 0.024)