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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Int Neuropsychol Soc. 2017 Oct 16;24(3):269–282. doi: 10.1017/S1355617717001011

Table 5.

Hierarchical regression coefficients for depression and apathy symptom dimensions and covariates on memory and executive function

Immediate Memory Delayed Memory Executive Function
Parameter estimate[95% CI] p η2p Parameter estimate[95% CI] p η2p Parameter estimate[95% CI] p η2p
DRS-2 total 0.07 [0.03, 0.11] <0.01 0.09 0.09 [0.05, 0.13] <0.01 0.12 0.06 [0.02, 0.10] <0.01 0.07
Depression −0.04 [−0.09, 0.01] 0.09 0.02 −0.06 [−0.11, −0.01] 0.03 0.04 −0.00 [−0.05, 0.05] 0.98 0.00
Apathy −0.02 [−0.05, 0.02] 0.37 0.01 −0.01 [−0.05, 0.03] 0.51 0.00 −0.02 [−0.05, 0.02] 0.29 0.01
Anhedonia 0.02 [−0.08, 0.11] 0.76 0.00 0.05 [−0.06, 0.16] 0.34 0.01 0.01 [−0.08, 0.11] 0.82 0.00
Somatic 0.05 [−0.01, 0.10] 0.09 0.02 0.05 [−0.01, 0.11] 0.09 0.02 0.06 [0.01, 0.11] 0.03 0.04
5.32
F 4.30 0.18 3.22
R2 0.15 0.12
Model p <0.01 <0.01 <0.01

Note. DRS-2 = Dementia Rating Scale, 2nd Edition. Bold data indicates significance at p < 0.05.