The effectiveness of behavioural interventions in the primary prevention of Hepatitis C amongst injecting drug users: a randomised controlled trial and lessons learned

Table 3 Changes in addiction severity and risk behaviour

Drug and Alcohol	Baseline				Six-Month follow-up
	EPC n = 37		SEC n = 41		EPC n = 36		SEC n = 41		Effect of Treatment		Effect of Time
ANCOVA	Mean	sd	Mean	sd	Mean	sd	Mean	sd	F	p	F	p
ASI – drug use	0.286	0.12	0.29	0.096	0.22	0.152	0.249	0.133	0.90	0.35	0.54	0.47
ASI – alcohol use	0.084	0.17	0.115	0.176	0.113	0.176	0.082	0.143	2.26	0.14	41.08	0.00
ASI – medical subscale	0.138	0.26	0.134	0.278	0.092	0.207	0.156	0.294	0.95	0.33	10.97	0.00
ASI – psychiatric subscale	0.208	0.26	0.174	0.204	0.204	0.241	0.159	0.207	0.34	0.56	3.74	0.06
ASI – Legal subscale	0.094	0.16	0.119	0.182	0.093	0.151	0.09	0.177	0.01	0.92	0.80	0.38
ASI – economic subscale	0.877	0.32	0.652	0.432	0.765	0.357	0.766	0.381	0.83	0.67	8.56	0.01
ASI – satisfaction subscale	0.289	0.31	0.235	0.27	0.222	0.334	0.154	0.266	0.65	0.42	5.72	0.02
ASI – family relationships	0.101	0.16	0.13	0.209	0.075	0.133	0.077	0.151	0.02	0.89	2.31	0.13
ASI – social relationships	0.104	0.19	0.085	0.133	0.03	0.102	0.039	0.084	0.13	0.72	2.07	0.16
IRQ – No. people shared IV equipment with in last 6 months	0.81	0.88	1.32	1.4	0.22	0.64	0.37	0.97	1.1	0.31	0.00	0.98
HIV RTBS – Drug score	9.95	5.74	8.02	5.8	3.31	5.3	3.4	5.6	0.4	0.55	10.0	0.00
HIV RTBS – Sex score	4.5	4.2	3.1	3.4	4.7	4.2	3.9	4.14	0.1	0.78	8.2	0.01
HIV RTBS – Overall	13.8	7.45	11.2	6.98	8.0	8.12	7.3	6.86	0.0	0.84	11.4	0.00

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