Table 3 Schematic of study measures

Enrollment

Eligibility screen

X

Informed consent

X

Randomization

X

Intervention

PeerNaija

X

X

PeerNaija + 

X

X

Assessment

App orientation

X

Demographics survey

X

Psychological survey

X

X

X

*Depression (PHQ-9)

X

X

X

ART Self-Efficacy (MT SES Scale)

X

X

X

HIV Stigma (Berger's Scale)

X

X

X

Social Support (SPS-10)

X

X

X

Alcohol and Substance Use (CRAFFT)

X

X

X

Adherence assessment

X

X

X

Visual analogue scale

X

X

X

Medication possession ratio

X

X

X

ACTG questionnaire

X

X

X

App usage statistics

X

X

Clinical measures

X

X

CD4 cell count

X

X

HIV RNA

X

X

Implementation outcomes

X

X

Feasibility, acceptability, appropriateness surveys

X

X

Feedback survey

X

X