Preventing the transition to injection drug use is an important public health goal, as people
who inject drugs (PWID) are at high risk for overdose and acquisition of infectious disease …

Introduction We sought to identify latent profiles of polysubstance use patterns among
people who inject drugs in three distinct North American settings, and then determine …

Injection drug initiation usually requires assistance by someone who already injects drugs.
To develop interventions that prevent people from starting to inject drugs, it is imperative to …

Background The social processes around initiating injection may be well-suited to
intervention, yet there is substantial heterogeneity in the reported experiences of people …

Introduction Injection drug use initiation is commonly facilitated by other people who inject
drugs (PWID). We investigated how the gender of PWID influences their risk of providing …

People who inject drugs (PWID) play a critical role in injection-naïve individuals transitioning
to injection drug use. We investigated factors associated with future likelihood of initiating …

Background Gender influences the health and social risks faced by individuals initiating
drug injecting. Using mixed methods across three settings in North America, we investigated …

Background Among people who inject drugs, frequent injecting and experiencing
withdrawal are associated with facilitating others' first injections. As these factors may reflect …

Background: In response to an increasingly toxic illicit drug supply, drug user activists and
allied organizations in British Columbia, Canada have rapidly implemented overdose …

Injection drug use is a significant risk factor for morbidity and mortality from overdose and
injection-related infections. Most first-time injections involve assistance from experienced …