Table 2. Characteristics of Persons with Dementia and Their Relationships to Quality of Life (QOL).

Characteristics	Total Sample (n=254) % or Mean (SD)	Bivariate Relationships to QOL Measures Mean (SD) and/or Statistic
		QOL- AD_SR b	QOL- AD_CR c	ADRQL d
Demographics
Sex
Female	65.0	37.3 (6.8)	31.3 (5.8)	83.9 (12.7)
Male	35.0	38.4 (6.7) t = 1.10	31.1 (6.4) t = − .25	81.7 (14.2) t = −1.28
Race
White	68.1	38.9 (6.4)	31.8 (6.1)	83.5 (13.6)
Non-white	31.9	34.6 (6.9 t = −4.39 ***	30.0 (5.6) t = −2.12 *	82.4 (12.4) t = − .63
Age, years	83.6 (5.9)	r = .06	r = .05	r = − .01
Education, years a	13.0 (3.7)	r = .15 *	r = .08	r = .02
Living Arrangement
Lives alone	18.9	37.8 (6.3)	32.6 (6.3)	89.2 (8.1)
Lives with others	81.1	37.7 (6.9) t = − .02	30.9 (5.9) t = −1.77	81.7 (13.8) t = −4.96 ***
Health & Function
Total # Medications	6.4 (3.1)	r = − .17 *	r = − .07	r = .06
Total # Health problems a	3.0 (1.4)	r = − .21 **	r = − .16 *	r = .04
IADLs Score a	23.0 (5.7)	r = − .04	r = − .32 ***	r = − .47 ***
PGDRS Score a	10.4 (8.2)	r = − .08	r = − .34 ***	r = − .42 ***
MMSE Score a	17.8 (7.6)	r = − .00	r = .16 *	r = .38 ***
Neurpsychiatric Symptoms
NPI-Q Scores	7.7 (6.1)	r = − .14 *	r = − .32 ***	r = − .54 ***
Severity a	9.6 (8.5)	r = − .21 **	r = − .36 ***	r = − .52 ***
Distress a
	6.1 (4.5)	r = − .32 ***	r = − .31 ***	r = − .26 ***
CSDD Score a
Dementia-Related Needs
Total # Unmet needs	4.4 (2.3)	r = − .33 ***	r = − .21 **	r = .02

^aMissing data – Education=3, Health problems=2, IADLs=2, PGDRS=1, MMSE=3, NPI-Q Severity=3, NPI-Q Distress=5, CSDD=20, QOL-AD Self-rated=34, QOL-AD CG-rated=11.

^bQOL-AD_SR – Skewness = −.26; Kurtosis = −.35

^cQOL-AD_CR – Skewness = .10; Kurtosis = −.03

^dADRQL – Skewness = −1.05; Kurtosis = 1.20

^*p < .05

^**p < .01

^***p < .001