Table 1 Implementation outcomes and their description

1.   Acceptability

Acceptability is the perception of patients and clinic staff that LAI CAB/RPV treatment is agreeable, relevant, suitable, and satisfactory.

PROCTOR

PLWH

2.   Reach^a

Reach is the extent to which LAI CAB/RPV is received by its target group. Qualitatively, the reach dimension involves understanding why people accept or decline participation. Are we reaching those who would benefit most from LAI CAB/RPV treatment?

RE-AIM

PLWH, physicians

3.   Effectiveness^a

Effectiveness is the influence or impact of LAI CAB/RPV on important patient outcomes, including potential negative effects, quality of life, & economic outcomes.

RE-AIM

PLWH, physicians, clinic staff

4.   Adoption^a

Adoption refers to understanding why different clinic staff/key agents within an organization choose to adopt LAI CAB/RPV or not in general practices, namely facilitators and barriers.

RE-AIM

Physicians, clinic staff

5.   Implementation^a

Implementation refers to the extent to which LAI CAB/RPV was delivered with fidelity and to understanding adaptations made to deliver injectable treatment, implementation strategies used, and cost.

RE-AIM

Physicians, clinic staff

6.   Maintenance^a

Maintenance explores sustainability problems, i.e., reasons why patients/clinic staff may continue or discontinue LAI CAB/RPV use or delivery in the long term.

RE-AIM

PLWH, physicians, clinic staff