2025
College Community–Based Physical Activity Support at a Public University During the COVID-19 Pandemic: Retrospective Longitudinal Analysis of Intra- Versus Interpersonal Components for Uptake and Outcome Association
Ash G, Mak S, Haughton A, Augustine M, Bodurtha P, Axtell R, Borsari B, Liu J, Lou S, Xin X, Fucito L, Jeon S, Stults-Kolehmainen M, Gerstein M. College Community–Based Physical Activity Support at a Public University During the COVID-19 Pandemic: Retrospective Longitudinal Analysis of Intra- Versus Interpersonal Components for Uptake and Outcome Association. JMIR MHealth And UHealth 2025, 13: e51707. PMID: 40523272, PMCID: PMC12209730, DOI: 10.2196/51707.Peer-Reviewed Original ResearchConceptsPA promotion programsPhysical activityPromotion programsPhysical activity supportLow physical activityCollege studentsInterpersonal componentsEngagement frequencyRetrospective longitudinal analysisPA interventionsPA outcomesPA supportCOVID-19 pandemicIntervention componentsApp engagementUndergraduate studentsApp useInterpersonal supportAssociated with longer retentionImplementation strategiesStaff membersLong-term trajectoriesOutcome associationsLongitudinal analysisStaff
2021
Racial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers
Nam S, Jeon S, Ash G, Whittemore R, Vlahov D. Racial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers. JMIR Formative Research 2021, 5: e25687. PMID: 34096870, PMCID: PMC8218214, DOI: 10.2196/25687.Peer-Reviewed Original ResearchINTERNATIONAL REGISTERED REPORT IDENTIFIERPhysical activitySedentary timeEcological momentary assessmentDaily racial discriminationHealth behaviorsAfrican AmericansPA outcomesCross-sectional studyHealthy African AmericansPerson associationsCase-crossover designDaily ecological momentary assessmentsTotal energy expenditureSocial stressDay-level associationsLifetime racial discriminationMomentary assessmentDepressive symptomsPrecision health approachYounger ageHealth disparitiesPA levelsHealth approachConcurrent use
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