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Table 6 Differences over time in proportions reporting improved confidence and abilities (n, %), Friedman's Test

From: Providing education on evidence-based practice improved knowledge but did not change behaviour: a before and after study

Questions Time 1 Pre
(n = 114)
Time 2 Post
(n = 116)
% change Time 3 Follow up
(n = 51)
% change DF     χ 2     P    
Q1. I feel confident that I can generate a clinical question         
   Yes 38 (33.3) 87 (82.1) +48.8 48 (94.1) +12.0 2 51.2 0.0001**
   No 76 (66.7) 19 (17.9)   3 (5.9)     
Q2. I am aware of and have used a range of electronic databases         
   Yes 51 (44.7) 99 (93.4) +48.7 51 (100.0) +6.6 2 52.3 0.0001**
   No 63 (55.3) 7 (6.6)   0 (0.0)     
Q3. I am able to conduct a computer search on my own         
   Yes 49 (43.0) 90 (84.9) +42.0 47 (92.2) +7.3 2 38.0 0.0001**
   No 65 (57.0) 16 (15.1)   4 (7.8)     
Q4. I am confident about my general computer skills such as using the internet         
   Yes 86 (75.4) 85 (80.2) +4.8 49 (96.1) +15.9 2 9.1 0.010**
   No 28 (24.6) 21 (19.8)   2 (3.9)     
Q5. I feel confident that I can critically appraise research evidence         
   Yes 20 (17.5) 25 (23.6) +6.1 18 (36.0) 1 +11.7 2 13.5 0.0001**
   No 94 (82.5) 81 (76.4)   32 (64.0) 1     
  1. Note: Responses recoded from Agree/Disagree/Unsure to Yes/No. 1n = 50. ** Significant at 0.05