Table 1.

Inclusion and exclusion criteria for patients and caregivers

Group	Criterion	Definition
Patients, inclusion	Age	≥ 18 years
	Diagnosis of parkinsonism	Includes idiopathic Parkinson’s disease, progressive supranuclear palsy, corticobasal degeneration, multisystem atrophy, dementia with Lewy Bodies, vascular parkinsonism or primary progressive freezing of gait
	Location	Be resident within the geographical catchment area of the trial site
	Willingness	Be willing to participate
Patients, exclusion	Cause of parkinsonism	Drug, infection or toxin induced parkinsonism
	Capacity	Lack capacity to participate and do not have anyone who can be a consultee to provide advice regarding the patient’s wishes and views
	Decision of clinician	Current medical, cognitive or psychosocial issue or co-enrolment in other study that, in the opinion of the site investigator, would interfere with adherence to study requirements
Caregivers, inclusion	Age	≥ 18 years
	Provision of care	Provide informal care or support for a patient with parkinsonism
	Willingness	Be willing to participate
	Capacity	Have the ability to provide informed consent to participate
Caregivers, exclusion	Formal care	Professional caregivers who are paid to deliver care
	Person with parkinsonism not participating	Unwillingness or ineligibility of person for whom they provide care