Low cognitive functioning and depressive symptoms in patients with rheumatoid arthritis and systemic sclerosis: a clinical study

Table 3 Demographic (age, sex, education) and clinical characteristics affecting cognitive function and depressive symptoms according to final selected regression models

Independent Variables	MMSE^‡	GDS^‡	Prospective Memory ^‡‡	Short-term Memory^‡	Long-term Memory^‡	Working Memory^‡	Verbal Fluency^‡	Inductive Reasoning^‡	SST^‡	COGTEL+^‡‡‡
MiND	-1.219**	0.809*		-1.300***	-1.216***		-1.581****			-4.901**
RA	-2.392****			-1.283***			-3.263****	-0.776*	-1.437***	-3.799*
SSc	-0.838****						-2.960****
Sex		0.799**	1.604**	0.633*				-0.721*	-0.834
Age, years	-0.062***	-0.030	-0.135****		-0.076****	-0.077****	-0.058***	-0.091****		-0.434****
Education, years	0.091*	-0.065	0.167**	0.199***	0.153****	0.168****	0.121***	0.249****	0.234****	1.040****
GDS	-0.094**		-0.186**			-0.129***	-0.119***	-0.081*	-0.136**	-0.558***

MiND: Minor Neurocognitive Disorder due to Alzheimer’s Disease; RA: Rheumatoid Arthritis, SSc: systemic Sclerosis; GDS: Geriatric Depression Scale; MMSE: Mini Mental State Examination, SST: Serial Seven Test; COGTEL+: Cognitive Telephone Screening Instrument plus
Stepwise regression models (alpha to enter 0.15, alpha to remove 0.16).
Empty cells point to variables not included in the final selected regression models.
‡ Ordered logistic regression
‡‡ Logistic regression
‡‡‡ Multiple linear regression
∗significant at 0.1 level, ∗∗significant at 0.05 level, ∗∗∗significant at 0.01 level, ∗∗∗∗significant at 0.001 level

ISSN: 1471-244X