From: The effectiveness of knowledge translation strategies used in public health: a systematic review
Randomized controlled trials (3) | |||||||
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Study | Measurement period | Study population | groups | Baseline | Follow up | Overall effect | Measurement |
Barwick 2009 | Baseline | 34 Child & youth mental health practitioners | Â | Mean Score: | Mean Score: | F= 2.37 | CAFAS knowledge questionnaire (content knowledge): 20 true/false questions reduced to a total score. Total scores ranged from 0 to 20. |
 | End of intervention (11 months) |  | I: Communities of Practice n=17 | 12.1 | 14.1 | p=0.14 |  |
 |  |  | C: Usual Practice n=17 | 10.4 | 10.8 |  |  |
Di Noia 2003 | Baseline | 188 school personnel, community providers, and policy makers | Â | Mean Scores: | Mean Scores: | F =25.67 | Individual-item measures with Likert-scaled response options to determine if respondents knew where to locate drug abuse prevention findings and materials. |
Follow up (6 months) | I: Pamphlet n=55 | 0.94 | 1.04 | p<0.05 | |||
I: CD-ROM n=64 | 0.96 | 0.75 | Lower scores are indicative of more favourable ratings. | ||||
I: Internet n=69 | 0.73 | 0.63 | |||||
Forsetlund 2003 | Baseline | 148 public health physicians | I: Workshop, information service, discussion list, free access to databases n=73 | Mean Scores | Â | Mean Difference | Baseline scores included in analysis. Scores were summed and means for individual overall scores computed. |
End of intervention (1.5 years) | |||||||
SK: 0.4 | |||||||
t=4.3 | |||||||
95% CI (0.2-0.6) | Respondents graded self-perceived knowledge (SK) and knowledge about terms of importance to critical appraisal (CK) on scales ranging from 0 to 2 for CK and from 0 to 3 for SK. An additional question was added to concept knowledge, scored as either 0 or 1. Higher scores indicative of more favourable ratings. | ||||||
SK:1.1 | p=0.00 | ||||||
CK:1.3 | CK: 0.2 | ||||||
t=2.6 | |||||||
95% CI (0.0-0.3) | |||||||
 | p=0.01 | ||||||
C: Access to free library services for one year n=75 | SK:0.7 | ||||||
 |  |  |  | CK:1.1 |  |  |  |