Garrett Ash, PhD
Assistant Professor of Medicine (General Medicine), Assistant Professor of Biomedical Informatics and Data ScienceCards
About
Research
Publications
2025
Oura Ring Behavioral Feedback Intervention for Alcohol Reduction in Young Adults: User Experience Evaluation of a Pilot Randomized Trial
Griffith F, Ellison O, Kunchay S, Augustine M, DeMartini K, Fatigate M, Latimer L, O'Malley S, Redeker N, Ash G, Fucito L. Oura Ring Behavioral Feedback Intervention for Alcohol Reduction in Young Adults: User Experience Evaluation of a Pilot Randomized Trial. Journal Of Medical Internet Research 2025, 27: e78613. PMID: 41343856, PMCID: PMC12677873, DOI: 10.2196/78613.Peer-Reviewed Original ResearchConceptsNatural language processingUser baseLanguage processingUser experience evaluationFeedback reportsSmartphone diariesGroup participantsOura ringYoung adult alcohol useFitness wearablesFace-to-face exit interviewFeedback interventionYoung adultsExperience evaluationPilot randomized controlled trialAlcohol reductionMobile appsMultiple intervention componentsSMS text messagesPilot Randomized TrialAppsConvergent mixed methodsBehavioral dataUsersRandomized Controlled TrialsAugmenting management of obstructive sleep apnea with consumer wearable devices to increase use of positive airway pressure therapy: a pilot randomized trial
Fung C, Mak S, Ash G, Der-McLeod E, Ereso B, Naeem S, Liu J, Ghadimi S, Te T, Chan V, Hurtado J, Wong S, Zeidler M, Liang L. Augmenting management of obstructive sleep apnea with consumer wearable devices to increase use of positive airway pressure therapy: a pilot randomized trial. Sleep 2025, zsaf342. PMID: 41159689, DOI: 10.1093/sleep/zsaf342.Peer-Reviewed Original ResearchPositive airway pressureObstructive sleep apneaPositive airway pressure useRandomized trialsSleep apneaPAP useBetween-group differencesManagement of obstructive sleep apneaPositive airway pressure therapyAirway pressure therapyControl groupPilot Randomized TrialSite-randomized trialBetween-groupAirway pressurePulse oximetry dataSleep centerVeterans Affairs Medical CenterPressure therapyAffairs Medical CenterPrimary outcomeDepartment of Veterans Affairs Medical CenterOximetry dataSingle-blindImmediate groupIntegrating Consumer-Grade Wearable Devices and Patient-Generated Health Data into Clinical Care: Perspectives from Healthcare Professionals at a Learning Health System
Mak S, Kinney R, Bailey A, Gaffey A, Relyea M, Spanakis E, Ash G. Integrating Consumer-Grade Wearable Devices and Patient-Generated Health Data into Clinical Care: Perspectives from Healthcare Professionals at a Learning Health System. Journal Of General Internal Medicine 2025, 1-12. PMID: 41068528, DOI: 10.1007/s11606-025-09876-x.Peer-Reviewed Original ResearchPatient-generated health dataLearning healthcare systemConsumer-grade wearablesHealth system infrastructureHealthcare professionalsHealth systemClinical workflowIntegration of patient-generated health dataIntegrated health systemLearning health systemClinical care providersConsumer-grade wearable devicesSemi-structured interviewsCare providersHealth accessPatient-generatedPatient interactionsHealth dataHealthcare systemClinical careWorkload issuesWorkload implicationsQualitative findingsPurposive samplingPatient outcomesEffectiveness Of Treatment Interventions And Loss To Follow-up For Patients Referred To Rehabilitation Medicine
He Q, Tao D, Stults-Kolehmainen M, Li S, Awan-Scully R, Gong Q, Ash G. Effectiveness Of Treatment Interventions And Loss To Follow-up For Patients Referred To Rehabilitation Medicine. Medicine & Science In Sports & Exercise 2025, 57: 69-70. DOI: 10.1249/01.mss.0001155052.22558.67.Peer-Reviewed Original ResearchExercise Interventions Among Individuals With Co-occurring HIV And Unhealthy Substance Use: A Systematic Review
Mistler C, Allen W, Grimshaw A, Idiong C, Harsono D, Irwin M, Ash G, Pescatello L, Meyer J, Edelman E. Exercise Interventions Among Individuals With Co-occurring HIV And Unhealthy Substance Use: A Systematic Review. Medicine & Science In Sports & Exercise 2025, 57: 755-755. DOI: 10.1249/01.mss.0001161400.40878.dc.Peer-Reviewed Original ResearchPhysicians’ Perspective On Dance Movement Interventions As A Complementary Treatment For Cognitive Impairments
Awan-Scully R, Tao D, Stults-Kolehmainen M, Ash G. Physicians’ Perspective On Dance Movement Interventions As A Complementary Treatment For Cognitive Impairments. Medicine & Science In Sports & Exercise 2025, 57: 651-651. DOI: 10.1249/01.mss.0001160436.26004.53.Peer-Reviewed Original ResearchExercise prescription and patient outcomes
Wood L, Ash G. Exercise prescription and patient outcomes. BMC Primary Care 2025, 26: 233. PMID: 40731264, PMCID: PMC12308889, DOI: 10.1186/s12875-025-02953-4.Peer-Reviewed Original Research1109-P: Physician Referral Pathway to a Commercially Marketed Digital Exercise Resource for Type 1 Diabetes—Implementation Metrics from a Clinical Trial
ASH G, MAK S, (ELIAS) SPANAKIS I, LUKASIK J, NALLY L, FUCITO L, WEINZIMER S. 1109-P: Physician Referral Pathway to a Commercially Marketed Digital Exercise Resource for Type 1 Diabetes—Implementation Metrics from a Clinical Trial. Diabetes 2025, 74 DOI: 10.2337/db25-1109-p.Peer-Reviewed Original ResearchPrimary care providersHome-based exerciseExercise prescriptionReferral pathwaysParticipating primary care providersPCP responsesClinical trial participationExercise intensityCare providersTrials of participantsCoach appVigorous exerciseNon-HispanicEligible participantsPortal messagesClinical trials of participantsLatent autoimmune diabetes of adulthoodModerate exerciseHealthcare systemTrial participantsSnowball samplingExercisePain symptomsClinical trialsUncontrolled hypertension1904-LB: Usability and Acceptability of a Biometric Dashboard with Tailored Coaching Tips for Exercise by Adults with Type 1 Diabetes
ASH G, NALLY L, LUKASIK J, MAK S, GRIGGS S, (ELIAS) SPANAKIS I, FUCITO L, WEINZIMER S. 1904-LB: Usability and Acceptability of a Biometric Dashboard with Tailored Coaching Tips for Exercise by Adults with Type 1 Diabetes. Diabetes 2025, 74 DOI: 10.2337/db25-1904-lb.Peer-Reviewed Original ResearchSystem Usability ScaleIntervention appropriateType 1 diabetesTreatment satisfaction surveyExercise guidelinesImplementation outcomesTelehealth coachingOverall interventionCompared to V1Satisfaction surveyMotivational supportCoaches insightAdult participantsMann-Whitney U testUsability ScaleOverall satisfactionPromoter ScoreInterventionCoachingExerciseUsability enhancementsSatisfactionUser satisfactionEfficacy trialsGlycemic changes1926-LB: A Qualitative Descriptive Study of Motivation States in Physical Activity among Middle-Aged Adults with Type 1 Diabetes
ASH G, HERNANDEZ E, (VERA) WANG X, GRIGGS S. 1926-LB: A Qualitative Descriptive Study of Motivation States in Physical Activity among Middle-Aged Adults with Type 1 Diabetes. Diabetes 2025, 74 DOI: 10.2337/db25-1926-lb.Peer-Reviewed Original ResearchPhysical activityInfluence physical activity engagementPhysical activity engagementQualitative descriptive studyType 1 diabetesMiddle-aged adultsSemi-structured interviewsSedentary timeExercise interventionQualitative descriptive approachMuscle fatigueInductive codingDescriptive studyNeuromuscular taskActive engagementDescriptive approachMotivational stateQuantitative surveyPsychological stateAdultsWAnTInterventionParticipantsPsychological considerationsT1D
Academic Achievements & Community Involvement
News
News
- July 18, 2025Source: Yale News
For Young Adults, Improved Sleep Is Incentive to Drink Less
- December 03, 2024Source: Nature Digital Medicine
Natural Language Processing in Mixed-Methods Evaluation of a Digital Sleep-Alcohol Intervention For Young Adults
- August 05, 2024
Meet Yale Internal Medicine: Garrett Ash, PhD
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Yale School of Medicine
Section of General Internal Medicine, 100 Church Street South
New Haven, CT 06519
United States