Table 3.

Psychometric correlations.

Scores		Patient (n = 30)	Caregiver (n = 30)
		Correlation coefficient	Correlation coefficient
ALS-FRS	BDI	−0.374**	–
STAI	BDI	0.652**	0.676**
STAI	BOFRETTA anxiety	0.510**	ns
STAI	BOFRETTA attitude	0.373*	ns
BOFRETTA anxiety	BDI	0.394*	0.432*
BOFRETTA anxiety	BOFRETTA attitude	0.577**	0.744**
BOFRETTA attitude	BDI	0.414*	ns
CSI	BDI	–	0.409*
CSI	STAI	–	0.412*
CSI	Hours/day caring	–	0.729**
Hours/day caring	BDI	–	0.444*
Own health affection	STAI	–	0.413*

ALS-FRS, ALS Functional Rating Scale; BDI, Beck Depression Inventory; STAIs, State-Trait Anxiety Inventory, state subscale; CSI, Caregiver Strain Index; BOFRETTA, Bochumer Fragebogen zur Einstellung zum Tod und zur Angst vor dem Tod (Bochum Questionnaire regarding Attitude toward and Anxiety for Death), subscales anxiety and attitude; ns, non-significant;

^*Statistically significant;

^**Statistically highly significant.