Table 2.

Associations between knowing at least one opioid-user older than 29 years and HCV positive status, among NYC study participants who have ever injected drugs (n=348, 64.8% of total)

Network of all opioid users in NYC known to participant
	Number (proportion) with one or more network member(s) older than 29 years (referent = no network member >29)	Odds of testing HCV+(vs. HCV−) OR (95% CI)	p-value for OR
Participant’s age group (injectors only)
18–21 years (n=68, 20%)	30 (44)	3.55 (0.83, 15.16)	0.09
22–25 years (n=138, 40%)	74 (54)	1.02 (0.98, 2.18)	0.9
26–29 years (n=142, 41%)	100 (70)	1.96 (0.90, 4.27)	0.09
Total 18–29 years (n=348)	204 (59)	1.87 (1.15, 3.04)	0.01
Network of opioid users in NYC whom participant has seen in the past 30 days
Participant’s age group (injectors only)
18–21 years (n=68, 20%)	26 (38)	2.85 (0.72, 11.29)	0.1
18–24 years (n=138, 40%)	57 (41)	1.30 (0.61, 2.77)	0.5
25–29 years (n=142, 41%)	87 (61)	1.82 (0.89, 3.70)	0.1
Total 18–29 (n=348)	170 (49)	1.92 (1.20, 3.06)	0.006