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Table 1 Study Measures

From: Building family caregiver skills using a simulation-based intervention for care of patients with cancer: protocol for a randomized controlled trial

Variable Instruments Time of measure
T1 T2 T3 T4
Caregiver Outcomes
 CG Anxiety PROMIS Anxiety Short Form 7a X X X X
 CG Depression PROMIS Depression Short Form 8b X X X X
 CG HRQOL PROMIS Global Health Scale v. 1.0/1.1 X X X X
 CG Fatigue PROMIS Fatigue Short Form 7a X X X X
 CG Burden Caregiver Reaction Assessment X   X  
Patient Outcomes
 Interrupted radiation treatment course (total number of missed days from treatments) Radiation Therapy Record   X   
Healthcare Utilization Outcomes
 Hospital admissions Hospital record   X X X
 Emergency room visits Hospital record   X X X
 Intravenous fluid use Hospital record   X X X
Cognitive Mediator
 CG self-efficacy for caregiving Caregiver Inventory X X X X
Investigator-constructed self-efficacy scale for managing side-effects and specific skills X X X X
Potential Moderators (Covariates)
 Patient Illness Factors (stage, time since diagnosis, treatment type) Patient Medical Record X    
 Use of palliative care services Patient Medical Record X X X X
 Patient Performance Status ECOG Performance Status X X X X
 Care Demands (hours/week spent caregiving) Survey questions (CG) X X X X
 Demographic characteristics (race, marital status, employment, socioeconomic status) Survey questions (CG and PT) X    
 Use of mental health services (support groups, social work, and/or psychologist) Survey questions (CG and PT) X X X X
  1. Note: CG Caregiver, PT Patient