“…Additionally peer influences for young people are particularly powerful in understanding patterns of drug use, (Bryant et al, 2012;Fuller et al, 2003Fuller et al, , 2005Harocopos, Goldsamt, Kobrak, Jost & Clatts, 2009). Peer pressure in particular is noted as an important influence in transitioning to injecting, with a desire to experiment in a social context often reported as a reason for injecting (Bailey et al, 2007;Bryant & Treloar, 2007;Bryant et al, 2013).…”