. Author manuscript; available in PMC: 2014 Jun 25.

Published in final edited form as: Dementia (London). 2012 Jul 9;11(4):521–541. doi: 10.1177/1471301211421085

Table 6.

Multivariate stepwise linear regression of variables of interest.

Variable	B (95%CI)	Beta	t	p
Patient-rated QOL-AD at clinic day (n=89) Adjusted r²=0.33.
CES-D	−0.299 (−0.419 to −0.180)	−0.453	−4.97	<0.001
IADL	0.316 (0.099 to 0.533)	0.264	2.90	0.005

Caregiver-rated Patient QOL-AD at clinic day (n=71) Adjusted r²=0.49.
ZB	−0.265 (−0.426 to −0.103)	−0.360	−3.26	0.002
IADL	0.298 (0.082 to 0.514)	0.255	2.75	0.008
NPIS	−0.306 (−0.549 to −0.063)	−0.278	−2.52	0.014

Patient-rated QOL-AD at one year (n=23) Adjusted r²=0.54.
CES-D	−0.380 (−0.656 to −0.104)	−0.478	−2.87	0.009
QOLPT-CD	0.470 (0.058 to 0.882)	0.396	2.38	0.027

Caregiver-rated Patient QOL-AD at one year (n=27) Adjusted r²=0.52.
ZB	−0.486 (−0.672 to −0.300)	−0.732	−5.38	<0.001

Note. CES-D = Centre for Epidemiologic Studies-Depression Scale; IADL = Instruments of Daily Living, Self-rated version; ZB, = Zarit Burden Scale; QOLPT-CD = Quality of Life-Patient at clinic day.