Table 1.

The mean, standard deviation (SD) and the result of the significance level of covariance of scores of high-risk behaviors and their dimensions in the control and experimental groups

Variable	Stage	Group		P*
		Experimental (mean ± SD)	Control (mean ± SD)
Injection behavior	Pre-test	17.81 ± 9.01	22.11 ± 8.51	0.001
	Post-test	12.27 ± 7.89	18.19 ± 9.08
Sexual behavior	Pre-test	28.15 ± 2.92	27.89 ± 3.03	0.001
	Post-test	21.77 ± 2.89	24.00 ± 3.25
Damage to skin	Pre-test	20.42 ± 3.07	19.85 ± 2.98	0.001
	Post-test	13.81 ± 3.16	15.74 ± 3.28
Violence	Pre-test	25.81 ± 7.31	25.63 ± 7.43	0.001
	Post-test	19.27 ± 6.63	21.87 ± 7.13
Addicts’ high-risk behaviors (total score)	Pre-test	89.69 ± 16.88	94.52 ± 12.90	0.001
	Post-test	67.12 ± 12.89	79.70 ± 12.78

SD: Standard deviation;

^*Multivariate analysis of covariance (MANCOVA) test