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Longitudinal relationships between depression and functioning in people with type 2 diabetes.
Norbert Schmitz1, Geneviève Gariépy, Kimberley J Smith
1Department of Psychiatry, McGill University, Montreal, QC, Canada, norbert.schmitz@mcgill.ca.
Depression and functioning dynamically impact each other in people with diabetes. Poor functioning can worsen depression, and depression can lead to poorer functioning over time.
Area of Science:
- Psychiatry
- Endocrinology
- Public Health
Background:
- The interplay between depression and daily functioning in chronic conditions like diabetes remains unclear.
- Understanding this relationship is crucial for effective patient care.
Purpose of the Study:
- To investigate the dynamic, reciprocal relationship between depression and global functioning.
- To analyze this relationship within a community-based sample of individuals with diabetes.
Main Methods:
- Longitudinal study with 1,403 participants with diabetes.
- Assessed depression using the Patient Health Questionnaire (PHQ).
- Evaluated global functioning with the World Health Organization Disability Assessment Schedule II (WHODAS II).
Main Results:
- Path analysis indicated a reciprocal relationship between depression and functioning.
- Initial depression levels predicted functioning at 3-year follow-up, mediated by intermediate assessments.
- Functioning also influenced subsequent depression levels.
Conclusions:
- Depression and functioning exhibit a dynamic, bidirectional interaction in people with diabetes.
- This cyclical relationship necessitates integrated approaches in clinical treatment and research strategies.
- Future interventions should address both depression and functional impairment concurrently.
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