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Subjective Cognitive Decline in COPD - A Cross-Sectional Analysis of the Behavioral Risk Factor Surveillance System
Michael L Stellefson1, Min Qi Wang2, Isabelle M Boyd3
1Department of Health Science, The University of Alabama, Tuscaloosa, AL, USA. stell001@ches.ua.edu.
Journal of General Internal Medicine
|March 11, 2025
Summary
Subjective cognitive decline (SCD) affects nearly a quarter of adults with Chronic Obstructive Pulmonary Disease (COPD). Factors like unemployment and poor health increase SCD risk, while older age and higher income are associated with lower risk.
Area of Science:
- Pulmonary Medicine
- Neurology
- Public Health
Background:
- Subjective cognitive decline (SCD) is an early indicator of cognitive impairment.
- SCD may impact the care and outcomes for individuals with Chronic Obstructive Pulmonary Disease (COPD).
- Sociodemographic associations of SCD in COPD patients are not well understood.
Purpose of the Study:
- To determine the prevalence of SCD in COPD patients across various age groups.
- To identify demographic, behavioral, and comorbidity-related factors associated with self-reported SCD in COPD patients.
Main Methods:
- Analysis of pooled 2019 Behavioral Risk Factor Surveillance System (BRFSS) data from 24 states.
- Inclusion of 12,003 adults aged 45 and older with COPD.
- Logistic regression models were used to assess associations between demographics, behaviors, comorbidities, and SCD, adjusting for confounders.
Main Results:
- Overall, 24.1% of adults with COPD reported SCD.
- SCD prevalence was highest in the 55-64 age group (30.2%).
- Lower odds of SCD were associated with older age and higher income. Higher odds were linked to unemployment, history of stroke, and fair/poor health status.
Conclusions:
- SCD prevalence varies by age in COPD patients, peaking in the 55-64 age group.
- SCD in COPD is independently associated with socioeconomic factors and health risks.
- These findings highlight the complex interplay of demographic and health factors in SCD among COPD patients.
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