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

Table 8 Within-group changes from baseline to 12 weeks

*Outcome*	*Instrument*	*Group*	n	*Baseline*	*12 weeks*	*Wilcoxon matched-pairs test*
				*Median (min to max)*	*Median (min to max)*	*T value*	*P value*
Knowledge	SAFT	IE	23	14.0 (2.0 to 23.0)	21.0 (2.0 to 25.0)	4.0	<0.001
Knowledge	SAFT	DE	17	14.0 (1.0 to 23.0)	19.0 (9.0 to 24.0)	12.0	0.002
Attitudes	KABQ - negative attitudes to EBP	IE	18	12.0 (9.0 to 18.00)	11.0 (9.0 to 18.0)^a	75.0	0.647
	KABQ - negative attitudes to EBP	DE	17	11.0 (9.0 to 16.0)	12.0 (5.0 to 16.0)	68.5	0.705
	KABQ - positive attitudes to EBP	IE	15	12.5 (9.0 to 15.0)	12.5 (7.0 to 15.0)^a	53.0	0.691
	KABQ - positive attitudes to EBP	DE	14	12.5 (9.0 to 15.0)	13.0 (9.0 to 15.0)	26.5	0.103
	KABQ - EBP is useful and important	IE	14	8.0 (6.0 to 10.0)	8.0 (4.0 to 10.0)^a	48.0	0.778
	KABQ - EBP is useful and important	DE	8	36.3 (14.7 to 76.0)	39.7 (23.0 to 68.0)	15.0	0.674
Behaviour	Audit	IE	22	41.4 (13.7 to 60.0)	44.7 (20.0 to 76.0)	87.0	0.200
Behaviour	Audit	DE	18	36.3 (14.7 to 76.0)	39.7 (23.0 to 68.0)	58.0	0.231

^aMissing data for one participant.
DE, didactic educational intervention; EBP, evidence-based practice; IE, interactive educational intervention; KABQ, Knowledge, attitude and behaviour questionnaire; SAFT, Shortened Adapted Fresno Test of Competence in Evidence-based Practice.

ISSN: 1745-6215