Table 2 Intervention components and study conditions in the fractional factorial design

Core (standard care): After a VL test shows unsuppressed virus, the patient is alerted at the next clinic visit and given a counselling session

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

M1. Call to the patient after VL test result of unsuppressed virus (M1/Call)

O

O

O

O

O

O

O

O

X

X

X

X

X

X

X

X

M2. Pharmacy refill monitoring + Call to the patient (M2/PRM)

O

O

O

O

X

X

X

X

O

O

O

O

X

X

X

X

M3. Electronic adherence monitoring + Call to the patient (M3/EAM)

O

O

X

X

O

O

X

X

O

O

X

X

O

O

X

X

S1. Weekly check-in text messages (S1/Text)

O

X

O

X

O

X

O

X

O

X

O

X

O

X

O

X

S2. Peer support counselling: Basic (B) or Enhanced (E) (S2/Peer)

E

B

B

E

B

E

E

B

B

E

E

B

E

B

B

E