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Diabetes, major depression, and functional disability among U.S. adults
1Department of Medicine and Center for Healthcare Research, Medical University of South Carolina, Charleston, South Carolina 29425, USA. egede1@musc.edu
Diabetes Care
|January 30, 2004
Summary
Individuals with both diabetes and major depression face significantly higher odds of functional disability. This comorbidity presents a greater risk than having either condition alone, highlighting a critical public health concern.
Area of Science:
- Public Health
- Epidemiology
- Chronic Disease Management
Background:
- Comorbid major depression and diabetes significantly impact functional ability.
- Understanding the prevalence and odds of functional disability in these patient groups is crucial for targeted interventions.
Purpose of the Study:
- To determine the prevalence and odds of functional disability in individuals with diabetes and comorbid major depression.
- To compare these odds with individuals having only diabetes or only major depression.
Main Methods:
- Analysis of data from 30,022 adults using the 1999 National Health Interview Survey (NHIS).
- Categorization into four groups: no disease, major depression alone, diabetes alone, and comorbid conditions.
- Multiple logistic regression was employed to assess functional disability odds, controlling for covariates.
Main Results:
- Functional disability prevalence: 24.5% (no disease), 51.3% (depression), 58.1% (diabetes), and 77.8% (comorbid).
- Adjusted odds of functional disability were 3.00 for depression, 2.42 for diabetes, and 7.15 for comorbid conditions, relative to no disease.
Conclusions:
- Diabetes with comorbid major depression is associated with substantially higher odds of functional disability.
- Further research is warranted to elucidate the causal pathways between these conditions and functional impairment.