Improving understanding of clinical trial procedures among low literacy populations: an intervention within a microbicide trial in Malawi

Table 7 Intervention and non-intervention Group Statistics before and after the intervention

	Intervention/non intervention	N	Mean before	Mean after	Std dev before	Std dev after	Std error mean before	Std error mean after
Composite score	Non intervention	18	60.39	55.72	9.26	10.45	2.18	2.46
	Intervention	18	60.67	92.22	7.93	15.55	1.87	3.67
Implications	Non intervention	18	41.78	42.22	9.99	13.36	2.36	3.15
	Intervention	18	44.06	84.67	16.40	12.36	3.87	2.91
Double-blinding	Non intervention	18	54.44	44.50	20.36	34.14	4.80	8.05
	Intervention	18	57.78	74.11	22.64	19.60	5.34	4.62
Placebo use	Non intervention	18	74.83	65.72	20.43	21.81	4.81	5.14
	Intervention	18	74.89	85.17	15.42	26.22	3.63	6.18
Randomisation	Non intervention	18	79.33	64.61	12.19	29.17	2.87	6.88
	Intervention	18	76.67	91.61	13.56	13.14	3.20	3.10

ISSN: 1472-6939