Factor Analysis of the Apathy Scale in Parkinson's Disease.

ABSTRACT:

Background

The Apathy Scale (AS), a popular measure of apathy in Parkinson's disease (PD), has been somewhat limited for failing to characterize dimensions of apathy, such as those involving cognitive, behavioral, and emotional apathy symptoms. This study sought to determine whether factors consistent with these apathy dimensions in PD could be identified on the AS, examine the associations between these factors and disease-related characteristics, and compare PD patients and healthy control (HCs) on identified factors.

Methods

Confirmatory (CFA) and exploratory factor analysis (EFA) were conducted on AS scores of 157 nondemented PD patients to identify AS factors. These factors were then correlated with important disease-related characteristics, and PD and HC participants w

SUBMITTER: Lopez FV 

PROVIDER: S-EPMC6592795 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature