Table 3.

Spearman's correlation coefficients and shared variance (R²) between P-FAQ and socio-demographic, cognitive, functional and psychiatric variables.

Variable	ϱ	R2(%)
Age	0.117	<1
Schooling	−0.109	<1
GADL self-care	−0.232**	5
GADL domestic activities	−0.687**	47
GADL complex activities	−0.845**	71
Geriatric depression scale	0.271**	7
Mini mental state examination	−0.420**	18
Frontal assessment battery	−0.440**	19
Clock drawing test	−0.260**	7
MDRS attention	−0.361**	13
MDRS I/P	−0.537**	29
MDRS construction	−0.239**	6
MDRS conceptualization	−0.388**	15
MDRS memory	−0.457**	21
MDRS total	−0.574**	33

Significant to p < 0.01; P-FAQ, Pfeffer's Functional Activities Questionnaire; GADL, General Activities of Daily Living Scale; MDRS, Mattis Dementia Rating Scale; I/P, Initiative/Perseveration.

^**p < 0.01.