Table 3. The frequency of having at least one close friend with high-risk behaviors in participants' social networks (C = 6524).

High-Risk Behavior	Frequency	Percentage
Tramadol Use	92	1.41
Alcohol Consumption	321	4.92
Opium Use	22	0.33
Cannabis Use	40	0.61
Extramarital Heterosexual Intercourse	361	5.53
Heterosexual Intercourse in Return for Money	131	2