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Table 7 Baseline and 12-week scores with median differences in 12-week matched pair scores

From: Comparison of an interactive with a didactic educational intervention for improving the evidence-based practice knowledge of occupational therapists in the public health sector in South Africa: a randomised controlled trial

Domain Item (possible score) Interactive educational intervention (IE) Didactic educational intervention (DE) Median difference in matched pairs a (95% CI) P value for Wilcoxon matched-pairs test
   Baseline 12 weeks Baseline 12 weeks   
   Median (min to max) Median (min to max) Median (min to max) Median (min to max)   
   (n = 28) (n = 19) (n = 28) (n = 19) n = 19  
Knowledge SAFT score (30) 14.0 (2.0 to 23.0) 21.0 (2.0 to 25.0) 14.0 (1.0 to 23.0) 19.0 (9.0 to 24.0) 1.0 (−4.0, 1.0) 0.098
Attitudes Negative attitudes to EBP (25) 12.0 (9.0 to 18.00) 11.0 (9.0 to 18.0)b 11.0 (9.0 to 16.0) 12.0 (5.0 to 16.0) 0.0 (−2.0, 4.0) 0.728
  Positive attitudes to EBP (15) 12.5 (9.0 to 15.0) 12.5 (7.0 to 15.0)b 12.5 (9.0 to 15.0) 13.0 (9.0 to 15.0) −1.0a (−3.0, 1.0) 0.187
  EBP is useful and important (10) 8.0 (6.0 to 10.0) 8.0 (4.0 to 10.0)b 8.0 (2.0 to 10.0) 8.0 (6.0 to 10.0) 0.0 (−2.0, 0.0) 0.064
   IE (n = 24) IE (n = 17) DE (n = 24) DE (n = 17) n = 17  
Behaviour Audit (%) 42.9 (13.7 to 60.0) 45.5 (20.0 to 69.4) 36.3 (14.7 to 76.0) 39.7 (23.0 to 68.0) 8.6 (−7.7; 27.0) 0.196
  1. aA negative value indicates that the DE scored higher than the IE.
  2. bMissing data for one participant.
  3. EBP, evidence-based practice; SAFT, Shortened Adapted Fresno Test of Competence in Evidence-based Practice.