Optimization of a Behavioral Intervention to Increase Physical Activity in Older Adults Living With HIV

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• Exclusion Criteria
  • Medical conditions or physical or neurocognitive limitations that interfere with PA or study participation.
  • Hazardous substance use, assessed via a score ≥15 on the Alcohol Use Disorders Identification Test (AUDIT) or ≥6 on the Drug Abuse Screening Test (DAST).

• HIV positive: defined by HIV antibody, detectable HIV RNA in plasma, or a note from the participant's HIV care provider.
• Must be on continuous antiretroviral therapy (ART) for > 3 months, as assessed via self-report.
• Low PA: defined as self-report of < 90 minutes of moderate-vigorous PA (MVPA) per week in the previous 3 months AND less than 14 hours per week of sustained walking in the previous 4 weeks.
• Medically cleared for moderate PA. If participants report a) a history of cardiovascular disease including known coronary artery disease, peripheral vascular disease, heart failure, or stroke; or b) chest pain, shortness of breath, or dizziness or syncope either at rest or during activity in the past 3 months, then they must have medical clearance by a physician or primary care provider.
• Age 50 years or older.
• Proficiency in English: sufficient to engage in informed consent, understand assessments and materials provided, and engage and use Fitbit application (all materials provided in English).
• Capacity to consent, documented by acceptable answers in a consent "teach-back" process.
• Score of greater than 16 on the MOCA
• Able to ambulate without assistive devices
• Ability to use the FitBit application, as demonstrated to study staff.