The role of physical and cognitive function in performance of activities of daily living in patients with mild-to-moderate Alzheimer’s disease – a cross-sectional study

Table 2 Correlation and Regression coefficients

	PCC	Regression coefficients (RC)			RC adjusted for cognitive function
	r	β	95% CI	p-value	β	95% CI	p-value
Total ADL
Astrand	0	0.06	− 0.12 - 0.35	0.50	0.01	− 0.15 - 0.18	0.88
TUG	−0.03	− 0.05	− 0.97 - 0.87	0.92	0.35	− 0.52 - 1.22	0.43
STS	0.07	0.20	−0.14 - 0.54	0.24	0.05	−0.28 - 0.37	0.77
SDMT	0.33*	0.14*	0.05–0.23	0.0019
Stroop	0.08	0.09	−0.04 - 0.22	0.20
MMSE	0.42*	1.19*	0.81–1.58	< 0.00001
BADL
Astrand	0.1	0.01	−0.02 - 0.04	0.51	0.01	−0.02 - 0.04	0.43
TUG	−0.06	−0.03	− 0.19 - 0.12	0.68	− 0.05	−0.22 - 0.12	0.56
STS	0.06	0.02	−0.03 - 0.08	0.40	0.02	−0.05 - 0.08	0.60
SDMT	0.22	0.01	−0.01 - 0.02	0.28
Stroop	0.03	−0.01	−0.03 - 0.02	0.64
MMSE	0.18	0.05	−0.02 - 0.11	0.20
IADL
Astrand	0	0.05	−0.13 - 0.22	0.58	0.01	−0.15 - 0.16	0.94
TUG	−0.03	−0.01	− 0.88 - 0.85	0.98	0.40	−0.40 - 1.21	0.32
STS	0.07	0.17	−0.14 - 0.49	0.29	0.04	−0.26 - 0.34	0.78
SDMT	0.31*	0.13*	0.05–0.21	0.0047
Stroop	0.09	0.09	−0.03 - 0.21	0.14
MMSE	0.42*	1.13*	0.78–1.47	< 0.00001

*P < 0.05. All regression coefficients are adjusted for sex and age. PCC Pearson Correlation Coefficient, ADL Activities of daily living, BADL Basic ADL, IADL Instrumental ADL, TUG Timed up & go, STS Sit to stand, MMSE Mini mental state examination, SDMT SYMBOL Digit Modalities Test, RC regression coefficients

ISSN: 1471-2318