Figure 3: Proportion of participants receiving incentives for negative point-of-care urine EtG tests and positive point-of-care urine isoniazid tests at each visit.
(A) Proportion of participants assigned to the alcohol intervention (groups 2 and 4) with negative urine EtGs at each study visit (indicative of no recent drinking). (B) Proportion of participants assigned to the isoniazid adherence intervention (groups 3 and 4) with positive urine IsoScreen at each study visit (indicative of recent isoniazid use). EtG=ethyl glucuronide.