TABLE 1—

Circumstances of Initiation Into Injection Drug Use Among Users of Vancouver’s Safer Injecting Facility (N = 1065): The Scientific Evaluation of Supervised Injecting cohort, 2003–2005

Variable	No. (%)
Median age, y (range)	39 (19–64)
Years of injecting (interquartile range)	15.9 (8.6–25.9)
Gender
Male	753 (70.7)
Female	312 (29.3)
Took place at safer injecting facilitya
Yes	1 (0.1)
No	1064 (99.9)
Used a borrowed syringea
Yes	213 (20.0)
No	852 (80.0)
Was assisted with injectiona,b
Yes	796 (74.7)
No	269 (25.3)

^aAll behaviors refer to the time of first injection drug use.

^bRefers to being physically injected by another individual.