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Participants completed 16 weeks of supervised high- or moderate-intensity exercise, followed by 12 weeks of unsupervised support (personalized coaching or educational text messages). Linear mixed-effects models assessed SVI moderation effects on 400-meter walk time (400-MWT) and Patient-Reported Outcomes Measurement Information System (PROMIS) Physical Function (PF).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 117 participants, SVI did not moderate 400-MWT in either phase or PROMIS-PF during supervised exercise; however, higher SVI was associated with declines in self-reported physical function during the unsupervised phase (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.03), robust to adjustment and sensitivity analyses.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Findings suggest supervised exercise benefits participants across vulnerability levels, but sustained support may be needed to prevent disparities.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Parent Trial Information<\/jats:title>\n                    <jats:p>The High-Intensity Exercise Study to Attenuate Limitations and Train Habits in Older Adults with HIV trial, ClinicalTrials.gov: NCT04550676.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/23259582261448699","type":"journal-article","created":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T04:59:47Z","timestamp":1778648387000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["The Impact of Social Vulnerability on Exercise Outcomes: A Longitudinal Study of Physical Function in Older People With HIV"],"prefix":"10.1177","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9618-7898","authenticated-orcid":false,"given":"Evelyn","family":"Iriarte","sequence":"first","affiliation":[{"name":"College of Nursing, University of Colorado Anschutz, Aurora, CO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kellie L","family":"Hawkins","sequence":"additional","affiliation":[{"name":"University of Colorado Anschutz"},{"name":"Public Health Institute at Denver Health, Denver, CO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melissa P","family":"Wilson","sequence":"additional","affiliation":[{"name":"University of Colorado Anschutz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Allison R","family":"Webel","sequence":"additional","affiliation":[{"name":"University of Washington"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vitor HF","family":"Oliveira","sequence":"additional","affiliation":[{"name":"University of Washington"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincent","family":"Khuu","sequence":"additional","affiliation":[{"name":"University of Colorado Anschutz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grace L","family":"Kulik","sequence":"additional","affiliation":[{"name":"University of Colorado Anschutz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Cook","sequence":"additional","affiliation":[{"name":"College of Nursing, University of Colorado Anschutz, Aurora, CO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Debashis","family":"Ghosh","sequence":"additional","affiliation":[{"name":"University of Colorado Anschutz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0075-0023","authenticated-orcid":false,"given":"Catherine","family":"Jankowski","sequence":"additional","affiliation":[{"name":"College of Nursing, University of Colorado Anschutz, Aurora, CO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristine M","family":"Erlandson","sequence":"additional","affiliation":[{"name":"University of Colorado 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