Table 2.

Unadjusted odds ratios representing the association between syringe exchange program (SEP) characteristics and adverse police encounters reported by US SEPs (n = 111).

	Dependent variables
Independent variables	Client report of police harassment OR (95% CI); n	Unauthorized confiscation of client syringes OR (95% CI); n	Client arrests en route to or from SEP OR (95% CI); n	Police appearances at SEP sites OR (95% CI); n
Modal race of SEP clients is  African American or  Hispanic	2.29 (0.96–5.47); 92	3.40 (1.37–8.40); 88	3.56 (1.29–9.87); 86	4.32 (1.53–12.20); 90
Only serving urban areas	2.76(1.31–5.81); 107	2.34 (1.09–5.02); 101	3.24 (1.34–7.83); 99	3.14 (1.25–7.88); 103
Providing mobile distribution	2.03 (0.99–4.17); 106	2.32 (1.09–4.95); 100	2.20 (0.91–5.33); 98	6.11 (1.92–19.43); 102
Providing stationary  distribution				0.43 (0.16–1.12); 92
Located in Midwest		0.43 (0.17–1.12); 97
Not receiving state funds		0.43 (0.20–0.94); 98
Distributed more than  90 000/year syringes				3.77 (1.24–11.53); 90
Serving more than three sites	3.96 (1.77–8.83); 92	2.62 (1.13–6.05); 86		5.26 (1.68–18.14); 90
Documenting problems with  police	2.16 (1.04–4.50); 109	2.67 (1.23–5.79); 109
Number of years in operation				5.25 (1.58–17.40); 102

CI: confidence interval; OR: odds ratio.