“…In one study, patients would receive congratulations for attending the clinic three consecutive on-time visits for HIV care, and they were given a sticker to proudly place on an interactive poster publicly displayed in the clinic to celebrate and acknowledge their achievement [143]. Another study involved a multi-component positive affect intervention for MSM who used drugs, eight core skills, and meditation exercises were delivered to them to increase positive affect among HIV management Use of non-explicit commitment devices in the form of financial incentives for ART adherence and viral load suppression goal in the future [108,144,147,154,[169][170][171][172][173][174][175][176][177][178][179][180][181] Use of non-explicit commitment devices in the form of financial incentives to meet HIV testing, linkage to HIV care and clinic attendance goal in the future [172,182,183] Use of non-explicit commitment devices in the form of non-financial incentives for ART adherence and viral load suppression goal in the future [74,147,155] Use of non-explicit commitment devices in the form of non-financial incentives to meet HIV testing, linkage to HIV care and clinic attendance goal in the future [117,143,146,[184][185][186] Ego HIV prevention HIV education sessions alongside financial education programmes to target ego and self-efficacy [18,31,99,[187][188][189] HIV education sessions and peer support to target ego and increase HIV risk perception ...…”