MOBILE APP-BASED SURVEY DEPLOYMENT PATTERNS AND LONGITUDINAL ENGAGEMENT: A RANDOMIZED CONTROLLED TRIAL2024-12-310 OA AI YYuankai Zhang JJian Rong XXuzhi Wang EEric Schramm CChathurangi H Pathiravasan LLudovic Trinquart CChunyu Liu JJoanne M. Murabito DOI:10.1093/geroni/igae098.2903OriginalOriginal request for helpShareSaveAbstract En