Table 2.

Injecting and syringe exchange program use

	Median	Range	Interquartile range
All syringes obtained on day of interview	10	1, 1000	10, 20
Syringes obtained for personal use on day of interview	10	1, 400	5, 20
SEP use in past month	4	1, 60	2, 8
Monthly injection frequency	60	0.2, 600	30, 120
Injections per syringe (number)	1	1, 10	1, 2
Proportionate syringe coverage: those with coverage ≥ 1 (adequate)	2.3	1, 6.3	1.3, 4.4
Proportionate syringe coverage: those with coverage < 1 (inadequate)	0.33	0.01, 0.97	0.17, 0.51