Table 3.

Injection risk behavior in past four weeks

	Met (n=40)1	Sub (n=40)	Test statistics	P
Did not share needles or works or did not inject2, n (%)
0 week	35 (91.2)	35 (87.5)	0	1.00
4 week	34 (100)	38 (100)	2.22	0.14
8 week	35 (100)	36 (100)	0.13	0.72
12 week	33 (100)	34 (100)	0.09	0.76
20 week	33 (100)	33 (100)	0	1.00
Did not share cooker or did not inject, n (%)
0 week	24 (63.2)	22 (55.0)	0.20	0.65
4 week	34 (100)	37 (97.4)	0.44	0.51
8 week	35 (100)	36 (100)	0.13	0.72
12 week	33 (100)	34 (100)	0.09	0.76
20 week	32 (97.0)	32 (97.0)	0	1.00
Did not shared cotton or did not inject, n (%)
0 week	30 (78.9)	33 (82.5)	0.67	0.41
4 week	34 (100)	37 (97.4)	1.13	0.29
8 week	35 (100)	36 (100)	0.13	0.72
12 week	33 (100)	34 (100)	0.09	0.76
20 week	33 (100)	33 (100)	0	1.00
Did not divide or share drugs with others using one syringe or did not inject, n (%)
0 week	9 (23.7)	5 (12.5)	1.39	0.24
4 week	33 (97.1)	35 (92.1)	0.39	0.53
8 week	34 (97.1)	35 (97.2)	0.11	0.75
12 week	32 (97.0)	34 (100)	0.35	0.56
20 week	28 (84.8)	28 (84.8)	0	1.00
Did not practice unsafe injection behavior or did not inject3, n (%)
0 week	9 (23.7)	4 (10.0)	2.63	0.1
4 week	33 (97.1)	35 (92.1)	0.84	0.36
8 week	34 (97.1)	35 (97.2)	0.00	0.98
12 week	32 (97.0)	35 (100)	1.05	0.31
20 week	28 (84.8)	28 (84.2)	0.00	1.00

¹baseline data provided for 38 participants; 2 cases are missing data.

²for the purpose of current analyses we focus on four types of injection risk behavior characteristic to the population studied

³presents data on participants who did not practice any of risk behaviors shown in rows above