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. 2020 Mar 13;22(3):e14562. doi: 10.2196/14562

Table 2.

Summary of quantitative data from knowledge test and usability questionnaire (Q1-Q9 refer to usability questionnaire included in Multimedia Appendix 2. Likert scales have been flipped so a higher number is always better).

Variables assessed Knowledge translation tool P value (Kruskal-Wallis)

PLSa Blogshot Wikipedia
Sample size (N=16), n 5 5 6 N/Ab
Time reading tool (seconds), mean (95% CI) 163 (127-200) 168 (91-244) 275 (114-435) .20
Knowledge test score, mean (95% CI) 4.2 (2.4-6.0) 4.6 (3.2-6.0) 3.7 (3.1-4.2) .31
Survey responses, mean (95% CI)

Q1 Key information 6.2 (3.0-9.4) 8.2 (6.2-10.0) 7.8 (6.0-9.6) .44

Q2 Easy to remember 3.6 (0.4-6.8) 7.2 (4.2-10.0) 3.8 (0.84-6.8) .08

Q3 Increased knowledge 8.2 (6.2-10.0) 8.6 (6.9-10.0) 6.5 (2.7-10.0) .54

Q4 Aesthetically pleasing 4.8 (1.7-7.9) 6.8 (3.4-10.0) 2.5 (0.3-4.7) .07

Q5 Mentally demanding 2.6 (1.2-4.0) 5.4 (2.2-8.6) 3.2 (1.8-4.6) .11

Q6 Understandable 5.6 (3.2-8.0) 7.6 (5.3-9.9) 7.7 (5.0-10.0) .16

Q7 Frustrating to read 4.4 (1.2-7.6) 7.8 (5.0-10.0) 4.5 (0.9-8.1) .11

Q8 Helps with decision making 6.6 (1.7-10.0) 7.6 (4.2-10.0) 5.7 (4.1-7.2) .32

Q9 Would recommend to others 4.8 (0.38-9.2) 7 (3.7-10.0) 3.7 (0.8-6.5) .20

aPLS: plain language summary.

bNot applicable.