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Table 1 Project assessment and timeframes

From: Study protocol of a randomized controlled trial comparing two linkage models for HIV prevention and treatment in justice-involved persons

Study procedures Intervention period (Day of Release/Randomization-Month 6) Post-Intervention
Baseline Month 1 Month 3 Month 6 Month 12
Activity and biological tests      
 Project screening X     
 Consent & randomization X     
 HIV rapid test or viral load based on status X    X X
 Hepatitis C rapid test or viral load based on status X    X X
 Sustained preexposure prophylaxis/antiretroviral therapy adherence (dried tenofovir blood spot)     X  
 Urine tenofovir    X X X
 Urine substance use toxicology X   X X X
 Testing for sexually transmitted infections (gonorrhea, chlamydia, hepatitis B, and syphilis) X    X  
Interview assessments      
 Demographics X     
 HIV risk behaviors X   X X X
 Timeline followback (self-reported daily opioid and stimulant use) X   X X X
 Patient Reported Outcome Measurement Information System (PROMIS) for Quality of Life X   X X X
 Patient Health Questionnaire (PHQ9; depression) X   X X X
 Visual Analog Scales (VAS) for antiretroviral therapy/preexposure prophylaxis/medication for opioid use disorder adherence   X X X X
 Texas Christian University (TCU) Drug Screen X   X X X
 Engagement in care (prescription refill for preexposure prophylaxis, antiretroviral therapy, medication for opioid use disorder)   X X X X
 Overdose and adverse events    X X X X
 Craving for opioids and stimulants X   X X X
Incentives* $50 $50 $50 $75 $75
  1. *Participants will also receive payment of $5 for monthly check-ins on months where no research interviews are being conducted