Table 2.

Summary of target sample characteristics and differences compared with full sample residing in community

	Sub-sample			Differencea
Variable	%	M	SD	%	M
Age		77.6	5.5		−0.65
Gender
Male	54.2	515		+0.1
Female	45.8	436		−0.1
Married	70			+3.5
School (left ≥16 years)	29			+4.2
Illnesses		5.5	2.8		−0.18
Medications		2.6	1.9		+0.02
Self-rated health (≥good)	74			+5.0
Activities of daily living (≥1)	11			−5.0
Instrumental activities of
daily living (≥1)	32			−3.0
Depressive symptoms		7.4	6.7		−0.53
Adelaide Activities Profileb
Home maintenance		52.5	18.7		+2.5
Domestic		52.2	18.5		+2.2
Social		51.3	19.8		+1.3
Service to others		52.3	20.3		+2.3
NART errors		22.2	8.4		−0.27
IQ estimatec		102.0	9.5		+0.32
Processing accuracy		0.97	0.07		0.00
Processing speed		29.9	10.9		+0.68
Picture naming		13.7	1.6		+0.18
Recall
Address		8.60	1.6		+0.20
Symbol		6.28	2.0		+0.06
Picture		5.62	2.3		+0.17

NART: National Adult Reading Test.

^aRaw score difference relative to all community residents.

^bClark and Bond (1995)⁵¹ standardized these scales to M = 50 (SD = 20).

^cIQ estimate is based on NART errors.

Statistics extracted from Luszcz et al.⁵