Table 2.

Schedule of measures administration. An “X” indicates that the measure was assessed at the corresponding time point. A “—” indicates that the measure was not assessed at the corresponding time point.

Variable		Measures	Assessment period
			Baseline	5-month follow-up	11-month follow-up	17-month follow-up
Primary outcome
	Viral load (VL)	Undetectable=VL<20 copies/mL	X	X	X	X
Demographics and HIV history
	Age	Age in years	X	—	—	—
	Race or ethnicity	Race, ethnicity (Hispanic or Latino)	X	—	—	—
	Sexual orientation	Sexual orientation	X	X	X	X
	Education	Highest level of education completed	X	X	X	X
	Employment	Employment status, student status	X	X	X	X
	Income	Household income, number dependents on income	X	X	X	X
	Community	Population of residence	X	X	X	X
	Health insurance	Type of health care coverage	X	X	X	X
Medical or clinical variables
	Self-reported HIV history	Year and month diagnosed with HIV, AIDS diagnosis	X	—	—	—
Self-reported ARTa adherence
	Prescriptions	Number of prescribed medications, vitamins, and supplements	X	X	X	X
	Antiretroviral medications	Year started HIV medications, HIV medications currently taken, number of doses per day	X	X	X	X
	Adherence	Doses missed (past 4 days, 30 days), % adherence (past 30 days), % taken within 2 hours of scheduled dose (past 30 days), how good a job in taking HIV medications, challenges to adherence	X	X	X	X
	Prior adherence services	Previous adherence-related information or services received	X	X	X	X
IMBb-ART Adherence Questionnaire
	Information	ART adherence information	X	X	X	X
	Motivation	ART adherence motivation	X	X	X	X
	Behavioral skills	ART adherence behavioral skills	X	X	X	X
Engagement in HIV care
	Appointments	Last HIV care appointment, appointments scheduled and missed (past 6 and 12 months), upcoming appointment scheduled	—	—	X	X
	Engagement	Patient Activation Measure	—	—	X	X
Substance use
	Urinalysis	Cocaine, methamphetamines, marijuana, and opiates	X	X	X	X
	Alcohol	Alcohol Use Disorders Identification Test	X	X	X	X
	Drug use	Drug use (lifetime) and frequency (past 30 days) of 14 illicit drugs (or other), ever sought help or treatment for alcohol or drugs	X	X	X	X
Psychosocial risk factors
	Depression	Center for Epidemiological Studies-Depression 10-item scale measuring depressive symptoms in past week	X	X	X	X
	Stress	Perceived stress in past 30 days	X	X	X	X
	BSSS-4c	BSSS-4	X	X	X	X
	Life chaos	Measure of Life Chaos	X	X	X	X
	HIV stigma	HIV Stigma Scale (internalized, anticipated, enacted)	X	X	X	X
	Resiliency	HIV resilience items	X	X	X	X
Relationship and sexual risk
	Relationship	Relationship status, relationship sexual agreement	X	X	X	X
	General sex	Number of sexual partners by gender (past 3 months)	X	X	X	X
	MSMd-specific sex	Male sexual contacts, frequency of anal sex and condomless anal sex; condomless anal sex by partner serostatus, partner pre-exposure prophylaxis use (past 3 months)	X	X	X	X
Social support
	Social support	MOSe	X	X	X	X
	TWMf-specific social support	Emotional or information support from MOS, Social Support Questionnaire 6 within TWM	—	X	—	—
Technology use
	Overall technology	Social media use, mobile phone use, service provider, device ownership, internet access	X	X	X	X
TWM navigation and use
	TWM navigation	System Usability Scale, reasons for using TWM	—	X	—	—
	User engagement	Data captured while participants interact with TWM	X	X	X	X

^aART: antiretroviral therapy.

^bIMB: information-motivation-behavioral skills.

^cBSSS-4: Brief Sensation Seeking Scale-4.

^dMSM: men who have sex with men.

^eMOS: Medical Outcomes Study.

^fTWM: Thrive with Me.