Lifetime alcohol use and cognitive performance in older adults

Autor: Maria I. Ventura, Raj K. Kalapatapu, Deborah E. Barnes
Rok vydání: 2016
Předmět:
Male
cognition
Medicine (miscellaneous)
Alcohol
Neuropsychological Tests
older adult
Alcohol Use and Health
Substance Misuse
chemistry.chemical_compound
Cognition
0302 clinical medicine
Psychology
030212 general & internal medicine
Confounding
Substance Abuse
General Medicine
Substance abuse
Alcoholism
Psychiatry and Mental health
Clinical Psychology
Public Health and Health Services
Female
Mental health
Clinical psychology
medicine.medical_specialty
Alcohol Drinking
substance use
Cognitive neuroscience
Basic Behavioral and Social Science
Article
cognitive
03 medical and health sciences
Fluency
Clinical Research
Behavioral and Social Science
medicine
Humans
Effects of sleep deprivation on cognitive performance
Psychiatry
Aged
Prevention
Neurosciences
medicine.disease
Brain Disorders
Good Health and Well Being
chemistry
Cognition Disorders
Neurocognitive
030217 neurology & neurosurgery
Zdroj: Journal of addictive diseases, vol 36, iss 1
ISSN: 1545-0848
1055-0887
DOI: 10.1080/10550887.2016.1245029
Popis: Substance use is an important clinical issue in the older adult population. As older adults are susceptible to cognitive disorders, the intersection of the fields of substance use and cognitive neuroscience is an active area of research. Prior studies of alcohol use and cognitive performance are mixed, and inconsistencies may be due to under- or over-adjustment for confounders. This article adds to this literature by conducting a secondary analysis of self-reported lifetime history of alcohol use and cognitive performance in older adults (n = 133). It was hypothesized that current alcohol users would have poorer cognitive performance compared to never/minimal and former alcohol users. Older adult participants were classified into never/minimal alcohol users, former alcohol users, and current alcohol users. A neurocognitive battery included a global cognitive measure and individual measures of attention, memory, fluency, and executive function. A directed acyclic graph-based approach was used to select variables to be included in the multiple linear regression models. Though unadjusted analyses showed some significant associations between alcohol use and cognitive performance, all associations between alcohol use and cognitive performance were eliminated after adjusting for age, education, sex, race, and smoking pack years. Alcohol drink years were not significantly associated with cognitive performance among current and former alcohol users. These results suggest that lifetime alcohol use is not significantly associated with cognitive performance in older adults after adjustment for key confounders. Inconsistencies in prior studies may be due to uncontrolled confounding and/or unnecessary adjustment of mediators and/or colliders.
Databáze: OpenAIRE