Table 1.

Intervention components and levels of intervention support

Level of care	Standard Zvandiri support	Enhanced Zvandiri support
Eligibility criteria	• A viral load < 1000 copies/ml in last 6 months • CD4 count ≥ 200 cells/ml in last 6 months • Attending all scheduled clinic visits in last 3 months • Psychologically stable • Safe	• Commencing ART in past 3 months • A viral load ≥ 1000 copies/ml in the last 6 months • CD4 count < 200 cells/ml last 6 months • Pregnancy • Failing to attend ≥ 1 scheduled clinic visit(s) in last 3 months • Psychological distress • Abuse or neglect
Intervention	• Monthly support group • Monthly home visit • Weekly SMS reminder • Zvandiri Centre contact • Caregiver workshop	• Monthly support group • Bi-weekly home visits • Daily SMS reminder • Weekly phone calls • Zvandiri Centre contact • Caregiver workshop • Referral and linkages • Community outreach visits

ART antiretroviral therapy, SMS short message service