Table 3.

Meta-regression of indicators of intervention context, delivery and potential mechanism of impact on intervention outcomes

Variable description	RR	95% CI LB 95% CI UB	P value	N (studies)
Context
Proportion PLHIV on ART (10% change)	0.81	0.41 to 1.61	0.40	5
Intervention delivery
100 HIVST distributed per 10K population	1.14	0.82 to 1.57	0.23	4
Proportion taking up HIVST using survey data (10% change)	1.12	1.04 to 1.21	0.02	5
Mechanism of impact
Proportion knowing where to link with an HIV-positive result (10% change)	0.87	0.61 to 1.24	0.24	4

Number of HIVST distributed per 10 000 population is not available for Indravudh et al,¹⁷ and proportion knowing where to link with an HIV-positive result is not available for Indravudh et al 2021.⁸

ART, antiretroviral therapy; HIVST, HIV self-testing; PLHIV, people living with HIV.