Table 3.

Effect of the independent variables on the multidimensional prognostic index estimated by the univariate and multiple linear regression analyses.

		Crude estimates			Adjusted estimates
Model	Independent variables	β	p	SE	β	p	SE
1	Addenbrooke’s cognitive examination—revised version	−0.20	0.18	0.001	−0.03	0.87	0.001
	Attentional matrices	−0.36	0.02	0.002	−0.29	0.11	0.002
	Babcock	−0.05	0.75	0.005	0.09	0.60	0.006
	Token test	−0.12	0.43	0.005	−0.01	0.95	0.005
	Coloured progressive matrices-36	−0.27	0.06	0.002	−0.14	0.44	0.003
	Model significance	R2 = 0.2056, F = 1.42 p = 0.2137
2	Free choice improvement	0.07	0.60	0.003	0.03	0.84	0.003
	Global monitoring	−0.07	0.60	0.001	0.11	0.42	0.001
	Monitoring resolution	0.33	0.02	0.075	0.37	0.01	0.073
	Monetary gains	−0.21	0.14	0.009	−0.30	0.04	0.009
	Model significance	R2 = 0.2863, F = 2.46 p = 0.0322
3	Hamilton depression rating scale	0.49	<0.00	0.002	0.41	<0.00	0.002
	Mania scale	0.09	0.52	0.005	−0.25	0.07	0.005
	Disinhibition scale	0.50	<0.00	0.002	0.52	<0.00	0.003
	Quality of life scale in Alzheimer’s disease	−0.21	0.17	0.002	−0.01	0.91	0.002
	AQ-D scale for instrumental activity domain	−0.14	0.35	0.002	−0.30	0.02	0.002
	Model significance	R2 = 0.4980, F = 5.46 p < 0.0001

In multivariable analyses standardised coefficients are adjusted for age, gender, and schooling. Values in bold italics showed a statistically significant association (p < 0.05).

AQ-D, Awareness Questionnaire in Dementia.