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Table 1 Overview of used outcome assessments and timeline

From: Improving mobility and participation of older people with vertigo, dizziness and balance disorders in primary care using a care pathway: feasibility study and process evaluation

Outcomes Data collection procedures/assessments Study period
Enrolment Time of data collection Close-out
Pre T0 T0 T1 T2 Post T2
Primary outcome
 - Impact of dizziness on activities of daily living Dizziness Handicap Inventory (DHI)   X X X  
Secondary outcomes
 - Static and dynamic balance Mini-Balance Evaluation Systems Test (miniBEST)   X X X  
 - Health-related quality of life EuroQol 5-dimension 5-level (EQ-5D-5L)   X X X  
 - Daily-life physical activity profile Actigraphy (StepWatch4, Move4)   X X X  
 - Types of physical activity in daily life International Physical Activity Questionnaire (IPAQ) X Xa Xa Xa  
 - Time and types of physical activity; daily time spent moving, sitting, lying; and occurrence of VDB Physical activity diary   X X X  
Process evaluation
 - Characteristics of participants Standardized questionnaire on sociodemographic data X     
 - Structural practice data of GP and PT practices Standardized questionnaire on structural practice data based on the QCPC X     
 - Trial feasibility
 - Feasibility of the intervention components
 - Feasibility of the implementation strategy
Research team Field notes by the research team   X X X  
Field notes by the study assistant after each measurement appointment   X X X  
GPs Group interview with GPs    X  
Individual interview with GPs X     
Standardized questionnaire on the recruitment process X     
Standardized evaluation forms for the educational trainings X     
Field notes on contact with GPs via telephone or email X X X X X
Field notes by GPsc   X X X  
PTs Individual interviews with PTs      X
Standardized evaluation forms for the educational training X     
Field notes by PTsd   X X X  
Field notes on contact with PTs via telephone or email X X X X X
Patients Individual interviews with patients    X X
Patients’ cancellation forms X     
Standardized evaluation forms after each questionnaire X X X X  
Field notes by the patientsb   X X X  
Field notes on contact with patients via telephone or email X X X X X
  1. GP general practitioner, PT physical therapist, QCPC Questionnaire of Chronic Illness Care in Primary Care, VDB vertigo, dizziness and balance disorders
  2. a one week after measurement point
  3. b Patients’ field notes in free text option in physical activity diary
  4. c GPs’ field notes in form of a completed checklist including a free text option
  5. d PTs’ field notes in form of a completed guide including a free text option and treatment documentation
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