Table 2.

Multivariable linear regression models^a predicting log of HIV among people who inject drug in Middle East and North Africa, stratified by HIV epidemic state among people who inject drug.

HIV epidemic state	Variables	β	95% CI	P	R2
Low level (n  = 16)	HCV prevalenceb	−1.3	−3.4 to 0.9	0.216	0.754
	Country			0.000
	Afghanistan	ref
	Iran	−0.3	−1.6 to 1.0
	Morocco	−1.8	−3 to −0.6
	Pakistan	−0.6	−2.4 to 1.1
	Tunisia	0.3	−1.0 to 1.6
	Study site			0.025
	Community	ref
	Prison	1.3	−0.3 to 3.0
	Facility-based	−0.1	−1.7 to 1.5
	Mixed	0.4	−1.3 to 2.1
Emerging (n  = 21)	HCV prevalenceb	5.4	2.7–8.2	0.001	0.724
	Country			0.001
	Afghanistan	ref
	Iran	−2.2	−3.1 to −1.4
	Morocco	−0.6	−1.1 to −0.2
	Pakistan	−1.3	−2.2 to −0.3
	Study site			0.000
	Community	Ref
	Prison	1.0	0.1–2.0
	Facility-based	2.8	1.3–4.2
	Mixed	2.8	2.0–3.7
Established (n  = 12)	HCV prevalenceb	1.7	0.8–2.7	0.002	0.340

CI, confidence interval.

^aWeighting for sample size and using robust methods to adjust for heteroscedasticity. The displayed final models include only statistically significant covariates.

^bProportion.