Table 1 Overview outcome measures. Outcome measures with an asterisk will be collected with questionnaires which participants will fill in at home. Outcome measures with two asterisks are optional, if participants do not want to perform this assessment they can still participate in the study

Physical activity level

Step count with STEPWISE app (primary outcome)

x

Physical activity with Axivity AX6

x (1 week)

x (1 week)

Self-reported physical activity level

x

x

Physical fitness

6 minute walk test (6MWT)

Cardiopulmonary exercise test (subgroup of 100 people)

Remote cardiorespiratory fitness with mPower app **

x

x

x

x

x

x (1 day/3months)

x

x

x

Motor symptoms

Timed Up and Go Test (TUG)

Mini-BestTest

MDS-UPDRS III (in on-state)

MDS-UPDRS IV

10MWT (gait speed)

Handgrip strength

x

x

x

x

x

x

x

x

x

x

x

x

Falls and near falls

x

X (monthly fall diary)

x

Falls Efficacy Scale - International (FES-I) *

Lichamelijke Vaardigheden Schaal (LIVAS) *

x

x

x

x

Motor functioning with mPower app **

x

x (14days/3months)

x

Non-motor symptoms

Montreal Cognitive Assessment (MoCA)

Hamilton Anxiety and Depression Scale (HADS) *

Abbreviated version of the Apathy Evaluation Scale (AES-12PD) *

Scales for Outcomes in Parkinson’s Disease (SCOPA) *

Fatigue Severity Scale (FSS) *

MDS-UPDRS I and II *

x

x

x

x

x

x

x

x

x

x

x

x

Quality of life

Parkinson’s Disease Questionnaire (PDQ-39) *

x

x

Other

Custom questionnaire on blinding

x

Global Perceived Effect (GPE) *

Custom questionnaire on barriers and motivators to engage in

x

x

x

x

physical activity