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. 2022 Mar 3;11(3):e32163. doi: 10.2196/32163

Table 1.

Timeline for study participants.

Study arm Baseline (in hospital) Home activities 3 months (ambulatory)
Intervention and control armsa

  • In-person assessment

    • Demographics

    • Height, weight, blood pressure

    • 6MWTb

    • Health status (SF-12c and SAQ-7d)

    • Activities of daily living

    • Cognition (MOCAe)

    • Goal attainment scaling (GASf)

    • Depression (PHQ-9g)

    • Frailty elementsh

  • Chart abstraction

    • Comorbidities, medications, and laboratory values

  • Monthly activities of daily living assessment

  • In-person assessment

    • Weight and blood pressure

    • 6-6MWT

    • Health status (SF-12 and SAQ-7)

    • Activities of daily living

    • Goal attainment scaling (GAS)

    • Depression (PHQ-9)

    • Frailty elements

    • Hospital readmissions

  • Chart abstraction

    • Hospital readmission (verification)i and attendance at traditional cardiac rehabilitation
Intervention arm

  • Exercise therapist assessment

    • Education on cardiac risk factor management

    • Ascertainment of home environment and mobility barriers

    • Introduction to the mobile health–cardiac rehabilitation software platform

    • Personalized exercise plan

  • Daily therapist-directed activity (walking and upper extremity resistance training)

  • Daily mHealth data entry

  • Weekly therapist phone call (counseling or activity review)

  • Weekly video education

  • Weekly blood pressure

  • Fitbit activity tracking and review

  • System Usability Scale

aIntervention and control participants will also receive referral to traditional (ambulatory) cardiac rehabilitation at hospital discharge but not mandated or facilitated attendance of first visit. Usual first ambulatory cardiac rehabilitation visit at New York University and Yale takes place within 4 weeks.

b6MWT: 6-minute walk test (this will be performed by a blinded research nurse).

cSF-12: 12-item Short Form Health Survey.

dSAQ-7: Seattle Angina Questionnaire 7.

eMOCA: Montreal Cognitive Assessment.

fGAS: goal attainment scale.

gPHQ-9: Patient Health Questionnaire 9.

hOn the basis of the 3/5 criteria: unintentional weight loss, weak grip strength (dynamometer), exhaustion, slow gait, and low physical activity.

iHospital readmission will also be ascertained at 6 and 12 months through electronic health record review.