Depressive Symptom Clusters and Neuropsychological Performance in Mild Alzheimer's and Cognitively Normal Elderly

Table 3

GDS subscales and neuropsychological tests for Alzheimer’s group by gender*.

Test	AD; 𝑁=272
	Males; 𝑁=100				Females; 𝑁=172
	Standardized coefficient				Standardized coefficient
	Scale	β	T	P	Scale		β	T	P
Verbal fluency	DYS	−.143	−2.277	.024	NS	Apathy	−.197	−2.541	.004
Boston Naming	NS				NS	NS
Trails A	DYS	−.186	−2.791	.001	NS	Apathy	−.196	−3.105	.002
Trails B	DYS	−.279	−2.383	.018	CI		.222	2.031	.046
					DYS		−.219	−2.402	−.037
Digit Span	DYS	.131	−1.915	.050	DYS		−.329	−3.255	.002
						NS
Logical Memory I	Apathy	−.197	−3.132	.002	NS	NS
Logical Memory II	Cl	.183	2.953	.001	NS	CI	−.243	−3.875	.001
	Apathy	−.209	−3.356	.001
	MLN	−.228	−3.646	.001
Visual Reproduction I	NS				NS	Apathy	−.197	−2.589	.004
Visual Reproduction II	NS				NS	Apathy	−.200	−2.007	.048

* Covariates entered into the equation age and education.
NS = no subscales significant; DYS = dysphoria subscale; Apathy = apathy subscale; MLN = meaninglessness subscale; Cl = cognitive Impairment subscale.