Table 4.

Descriptors.

Descriptors
PD severity	MDS-UPDRS (full)
FOG severity	C-FOG
Cognitive function	Montreal Cognitive Assessment (MoCA)
	Interference (Stroop test)
	Alternating fluency (ANT)
Anxiety	PAS
Medication	Levodopa equivalent daily dose (LEDD)
Technology skills	Mobile Device Proficiency (MDPQ)
Functional mobility	Life-Space Assessment (LSA)
Other	Demographics

PD: Parkinson's disease. MDS-UPDRS: Movement Disorder Society-Unified Parkinson's Disease Rating Scale [40]. FOG: freezing of gait. C-FOG: Characterizing Freezing of Gait Questionnaire [33]. MoCA: Montreal Cognitive Assessment [53]. ANT: Alternating Names Test [54]. PAS: Parkinson Anxiety Scale [55]. LEDD: Levodopa equivalent daily dose [56]. MDPQ: Mobile Device Proficiency Questionnaire: only parts 1, 2 and 8 are used. LSA: Life-Space Assessment.