Development and evaluation of the Singapore Caregiver Quality of Life Scale - Dementia

Journal of Patient-Reported Outcomes

Table 4 Correlation with validity criterion measures

Measures^a	PW	MW	EM	DL	FW	QOL Total
BASC Total	0.60**	0.64**	0.37**	0.71**	0.52**	0.79**
NPI	0.31**	0.59**	0.05	0.52**	0.35**	0.51**
PPI	0.46**	0.57**	0.23*	0.47**	0.42**	0.60**
CRA (Finance)	0.27**	0.28**	0.19	0.32**	0.72**	0.43**
Caregiving hours	−0.14	−0.16	0.26**	−0.25*	−0.12	−0.10
Caregiving hours, sub-group^b	−0.22	−0.18	N.A.	− 0.36**	− 0.16	− 0.28*
Caregiver role	0.23*	0.09	−0.03	0.22*	0.18	0.16

** P < 0.01; * P < 0.05
^aPW Physical Well-being, MW Mental Well-being, EM Experience & Meaning, DL Impact on Daily Living, FW Financial Well-being, QOL Total QOL total score, BASC Brief Assessment Scale for Caregivers, Total Total score, NPI Negative Personal Impact (Factor 1 of BASC), PPI Positive Personal Impact (Factor 2 of BASC), CRA (Finance) Sum of scores on two finance items of the modified Caregiver Reaction Assessment. Caregiver role: being the only person (1), primary person (2) or (3) one of the few persons who carry out caregiving duties. Scale scores were recoded such that a higher score means a better outcome
^bSub-group analysis of 56 caregivers whose EM score were below the mean