Reliability, validity and clinical correlates of the Quality of Life in Alzheimer’s disease (QoL-AD) scale in medical inpatients

Table 5 Clinical correlations

Variable	Expected	Patient	Caregiver	Composite
Age	-	−.08	−.21	−.16
Female sex	-	−.14	−.14	−.22
Charlson index	-	−.05	−.11	−.11
No. of drugs	-	−.11	−.10	−.16
GBS - mood	-	−.26^a	−.24^a	−.28^a
Antidepressant use	-	−.10	−.26^a	−.23
MMSE	+	.17	.41^a	.35^a
CDT	+	.06	.36^a	.31^a
GBS-ADL	-	−.22^a	−.42^a	−.38^a
Home care	-	−.26^a	−.39^a	−.40^a
Living alone	-	−.24^a	−.35^a	−.32^a
Group in original study	none	.03	.01	.01

Correlation coefficients between QoL-AD total scores and the other measurements. “Group in original study” denotes group allocation in the original intervention study, to detect selection bias. “expected” denotes the a priori hypothesised direction of correlation
GBS Gottfries-Bråne-Steen scale, MMSE mini-mental state examination, CDT clock-drawing test, ADL activities of daily living
^asignificant correlation after Bonferroni correction

ISSN: 1477-7525