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Sample loss can limit generalizability and compromise internal validity.\n                    <jats:bold>Methods:<\/jats:bold>\n                    Wave one (\n                    <jats:italic>n<\/jats:italic>\n                    = 346) and wave two follow-ups (\n                    <jats:italic>n<\/jats:italic>\n                    = 196) of the 1Florida ADRC clinical core were examined using a 24-month visit window.\n                    <jats:bold>Results:<\/jats:bold>\n                    The sample (59% Hispanic) demonstrated retention rates of 77.2% and 86.2% in waves one and two, respectively. Predictors of lower retention in wave one included older age, amnestic MCI or dementia, and lower cognition and function scores. Completing a baseline MRI and lack of hippocampal atrophy were associated with higher retention in both waves. In wave two, a greater neighborhood disadvantage score was associated with attrition.\n                    <jats:bold>Discussion:<\/jats:bold>\n                    Predictors of retention changed over time, possibly due to the early withdrawal of the most vulnerable in the initial wave. Understanding predictors of retention can facilitate retention strategies, reduce attrition, and increase the validity of findings.\n                  <\/jats:p>","DOI":"10.1177\/07334648241302159","type":"journal-article","created":{"date-parts":[[2024,12,10]],"date-time":"2024-12-10T18:37:45Z","timestamp":1733855865000},"page":"1218-1229","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Predictors of Retention in the 1Florida Alzheimer\u2019s Disease Research Center (ADRC) Over Two Waves"],"prefix":"10.1177","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6969-3536","authenticated-orcid":false,"given":"Shanna L.","family":"Burke","sequence":"first","affiliation":[{"name":"School of Social Work, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL, USA"},{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Warren","family":"Barker","sequence":"additional","affiliation":[{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"},{"name":"Wien Center for Alzheimer\u2019s Disease and Memory Disorder, Mount Sinai Medical Center, Miami Beach, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adrienne","family":"Grudzien","sequence":"additional","affiliation":[{"name":"School of Social Work, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria T.","family":"Greig-Custo","sequence":"additional","affiliation":[{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"},{"name":"Wien Center for Alzheimer\u2019s Disease and Memory Disorder, Mount Sinai Medical Center, Miami Beach, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raquel","family":"Behar","sequence":"additional","affiliation":[{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"},{"name":"Wien Center for Alzheimer\u2019s Disease and Memory Disorder, Mount Sinai Medical Center, Miami Beach, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rosemarie A.","family":"Rodriguez","sequence":"additional","affiliation":[{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"},{"name":"Wien Center for Alzheimer\u2019s Disease and Memory Disorder, Mount Sinai Medical Center, Miami Beach, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monica","family":"Rosselli","sequence":"additional","affiliation":[{"name":"1Florida ADRC, University of Florida, Gainesville, FL, USA"},{"name":"Department of Psychology, Charles E. 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