Table 5.

Changes in mean scores for InfoRetriever group from baseline to final assessment. Values are mean differences (95% confidence intervals) unless stated otherwise

Scores	Baseline to first assessment (InfoRetriever)	P value	First to second assessment (InfoRetriever)	P value	Second to third assessment (control washout period)	P value
Factor scores:
Personal application and current use of evidence based medicine	0.45 (0.29 to 0.61)	<0.001***	0.14 (−0.01 to 0.29)	0.07	−0.10 (−0.37 to 0.18)	0.48
Future use of evidence based medicine	0.03 (−0.15 to 0.22)	0.72	0.25 (0.10 to 0.40)	0.001*	0.01 (−0.18 to 0.20)	0.92
Individual item scores†
Frequency of looking up evidence	0.56 (0.25 to 0.86)	<0.001**	0.01 (−0.37 to 0.39)	0.96	−0.20 (−0.60 to 0.20)	0.33
Frequency of raising role of current best evidence	0.87 (0.56 to 1.18)	<0.001***	0.06 (−0.25 to 0.36)	0.72	0.19 (−0.14 to 0.52)	0.25
Confidence in clinical decision making	0.30 (0.06 to 0.55)	0.017*	0.26 (0.08 to 0.45)	0.007**	0.04 (−0.22 to 0.30)	0.74

Levels of significance after Bonferroni correction: ^*<0.017; ^**<0.003; ^***<0.0003.

^†Full questions in footnote to table 1.