Table 1.

Patient-Centered Outcome Measures by Intervention Component.

Intervention Component	Example Problems	Outcome Measures	Positive Change
Component 1 Progressive, high-intensity rehabilitation	• Multimorbidity • Muscle weakness • Reduced walking ability • Falls	Physical Function • 30 second sit to stand • Arm curl test • 2-minute step test Surveys • AM-PAC • PROMIS-29+2 Profile v2.1	Physical Function • Increased repetitions Surveys • Higher scores
Component 2 Biobehavioral intervention	• Lacking skills to support behavior change	• Self-Efficacy for Exercise Scale	• Higher scores
Component 3 Group Physical Therapy Sessions	• Loneliness	• 3-Item Loneliness scale	• Lower scores
Component 4 Technology Supports	• Reduced access to in-person care • Inability to maintain physical activity behavior	• Response rate to Annie • Enrollment in SMHD	N/A
Components 1–4 Behavior Change	• Reduced participation in routine physical activity	• Average daily steps	• Increased number of daily steps

Abbreviations: AM-PAC: Activity Measure for Post-Acute Care Outpatient Short Form; N/A: not applicable; PROMIS: Patient-Reported Outcomes Measurement Information System; SMHD: Sync My Health Data