Primary and exploratory outcome measures
Measure/author | Purpose | Time point |
a) Efficacy and exploratory outcome measures for the participant | ||
The Addenbrooke's Cognitive Examination III26 | Assesses cognitive function | Baseline/post-test |
Everyday Cognition Questionnaire27 | Measures everyday cognition in people with movement disorders | Baseline/post-test |
Pill Questionnaire37 | Measures functional capacity | Baseline/post-test |
Lille Apathy Rating Scale38 | A scale to detect and quantify apathy | Baseline/post-test |
Relationship Satisfaction Scale39 | Assesses level of satisfaction in a relationship | Baseline/post-test |
The Brief Resilience Scale40 | Assesses the ability to recover from stress | Baseline/post-test |
Interpersonal Reactivity Index41 | Measures empathetic concern | Baseline/post-test |
Hospital Anxiety and Depression Scale42 | Assesses depression and anxiety | Baseline/post-test |
Parkinson's Disease Questionnaire-3943 | A Parkinson's disease-specific quality of life measure | Baseline/post-test |
Dementia Cognitive Fluctuation Scale44 | Assesses proxy-reported fluctuations in cognition | Baseline/post-test |
The Neuropsychiatric Inventory45 | Assesses presence or absence of behavioural disturbances | Baseline/post-test |
EuroQoL 5D31 | Used for calculation of quality-adjusted life-years | Baseline/post-test |
Client Services Receipt Inventory30 | Collects information about medications and services used before entering the trial and during the trial | Baseline/post-test |
b) Exploratory outcome measures for the companion | ||
Short Form-12 Health Survey46 | Measures an individual's perception of their physical and mental health | Baseline/post-test |
Relationship Satisfaction Scale39 | Assesses level of satisfaction in a relationship | Baseline/post-test |
Brief Resilience Scale40 | Assesses the ability to recover from stress | Baseline/post-test |
Hospital Anxiety and Depression Scale42 | Assesses depression and anxiety | Baseline/post-test |
Zarit Burden Interview47 | Measures companion burden due to caregiving | Baseline/post-test |
Dyadic Relationship Scale48 | Measures positive and negative aspects of the dyadic relationship | Baseline/post-test |
Relatives’ Stress Scale49 | Measures perceived stress associated with caregiving | Baseline/post-test |
Family caregiving role50 | Measures aspects of caregiving related to satisfaction, love and anger | Baseline/post-test |