Adapting the "Do More, Feel Better" Intervention for Older People Living With HIV

The control condition will be usual care, which will likely involve some period waiting for an intake followed by supportive counseling sessions for treating depressive symptoms. Receipt of counseling and other supportive services during the trial for both the intervention and usual care groups will be closely tracked.

Lay-delivered behavioral activation intervention, adapted based on interviews and theater testing with the target audience

The adapted behavioral activation intervention will be delivered by trained lay interventionists and provided over 9 weekly sessions lasting 45-60 minutes in person, by telephone, or by Zoom. This intervention currently consists of an initial meeting for psychoeducation and compilation of a tailored list of enjoyable and rewarding activities the client will draw from and schedule, followed by 8 weekly sessions to monitor symptoms, review homework, and continue daily activity scheduling.

4-item scale with response options ranging from 1-5 per item, with a summed scale score ranging from 4-20 and mean scale score ranging from 1-5. Higher scores indicate greater acceptability of the intervention.

4-item scale with response options ranging from 1-5 per item, with a summed scale score ranging from 4-20 and mean scale score ranging from 1-5. Higher scores indicate greater perceived appropriateness of the intervention.

4-item scale with response options ranging from 1-5 per item, with a summed scale score ranging from 4-20 and mean scale score ranging from 1-5. Higher scores indicate greater perceived feasibility of the intervention.

Session attendance will be calculated as the proportion of intervention sessions attended out of nine possible sessions.

Qualitative feedback on the adapted DMFB intervention and clinician-delivered BA therapy will be collected in exit interviews with a sample of participants from each arm

The Ham-D 24-item scale is a semi-structured clinical interview that assesses depression severity. Scores range from 0 to 76, with higher scores indicating greater depressive-symptom severity. Scores 0-7 represent transient to no depressive symptoms; 8-13 mild depression; 14-18 moderate depression; 19-22 severe depression and above 22 very severe depression.

The BADS is a 25-item scale assessing overall activity level based on four factors: activation, avoidance/rumination, work/school impairment and social impairment. Each item ranges from 0 ('not at all') to 6 ('completely'); total scores range from 0 to 150. Higher total scores indicate better behavioral activation and fewer depressive-avoidance behaviors.

Wilson's three-item self-report measure for medication adherence assesses missed days during the past 30 days, frequency of taking medication as prescribed, and the person's rating of how well they took it. Scores range from 0-100 for the raw summary score, calculated as the mean of the three item scores. Higher scores indicate better medication adherence.

The CFAR Network of Integrated Clinical Systems 10-item index of engagement in HIV care includes 10 items rated on a 5-point Likert scale. The range of summed scores is from 10-50 and mean scores range from 1-5. Higher scores indicate better HIV care engagement.

Dried blood spots will be collected for viral load testing through the University of Washington Department of Laboratory Medicine. Any viral load <200 copies/mL will be considered suppressed.

Provider-reported date of last clinic visit, obtained for participants who grant permission for release of this information.

Provider-reported most recent viral load, obtained for participants who grant permission for release of this information.

Provider-reported most recent CD4 count, obtained for participants who grant permission for release of this information.