An Exploratory Factor Analysis of a Brief Self-Report Scale to Detect Neurocognitive Impairment Among Participants Enrolled in Methadone Maintenance Therapy

Journal of Substance Abuse Treatment
Michael CopenhaverFrederick L Altice

Abstract

The present study examines the factor structure of the existing Neuropsychological Impairment Scale (NIS) through the use of exploratory factor analysis (EFA). The NIS is a brief, self-report measure originally designed to assess neurocognitive impairment (NCI) by having patients rate a range of items that may influence cognitive functioning. Stabilized patients on methadone maintenance therapy (MMT; N=339) in New Haven, CT who reported drug- or sex-related HIV risk behaviors in the past 6 months were administered the full 95-item NIS. An EFA was then conducted using principal axis factoring and orthogonal varimax rotation. The EFA resulted in retaining 57 items, with a 9-factor solution that explained 54.8% of the overall variance. The revised 9-factor measure--now referred to as the Brief Inventory of Neuro-cognitive Impairment (BINI)--showed a diverse set of factors with excellent to good reliability (i.e., F1 α=0.97 to F9 α=0.73). This EFA suggests the potential utility of using the BINI in the context of addiction treatment. Further research should examine the utility of this tool within other clinical care settings.

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Citations

Oct 23, 2016·The Journal of the Association of Nurses in AIDS Care : JANAC·Roman ShresthaMichael Copenhaver
May 29, 2020·Applied Neuropsychology. Adult·Victoria SanbornMichael M Copenhaver
May 10, 2017·The Journal of the Association of Nurses in AIDS Care : JANAC·Roman ShresthaMichael Copenhaver
May 1, 2021·Drug and Alcohol Dependence·Michael M CopenhaverJohn Gunstad

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