TABLE 2.

Correlations between the motor, non‐motor, cognition, and dependency (MNCD) total score (from 0 to 12) and the other variables about the status of the caregiver (Zarit Caregiver Burden Inventory [ZCBI], Caregiver Strain Index [CSI], Beck Depression Inventory‐II [BDI‐II], PQ‐10, EUROHIS‐QOL 8‐item index [EUROHIS‐QOL8]).

	MNCD	ZCBI	CSI	BDI‐II	PQ‐10	EUROHIS‐QOL8
MNCD	N.A.	r = .496 p < .0001	r = .433 p < .0001	r = .306 p < .0001	r = −.238 p < .0001	r = −.193 p = .004
ZCBI	r = .496 p < .0001	N. A.	r = .651 p < .0001	r = .541 p < .0001	r = −.421 p < .0001	r = −.441 p < .0001
CSI	r = .433 p < .0001	r = .651 p < .0001	N. A.	r = .599 p < .0001	r = −.446 p < .0001	r = −.486 p < .0001
BDI‐II	r = .306 p < .0001	r = .651 p < .0001	r = .599 p < .0001	N. A.	r = −.497 p < .0001	r = −.557 p < .0001
PQ‐10	r = −.238 p < .0001	r = −.421 p < .0001	r = −.446 p < .0001	r = −.497 p < .0001	N. A	r = .704 p < .0001
EUROHIS‐QOL8	r = −.193 p = .004	r = −.441 p < .0001	r = −.486 p < .0001	r = −.557 p < .0001	r = .704 p < .0001	N. A.

Note: Spearman correlation test were applied. Correlations between all variables are also shown.