Functional disability as an explanation of the associations between chronic physical conditions and 12-month major depressive episode

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• 作者：Mariken E. Stegmann ; Johan Ormel ; Ron de Graaf ; Josep-Maria Haro ; Giovanni de Girolamo ; Koen Demyttenaere ; Vivianne Kovess ; Herbert Matschinger ; Gemma Vilagut ; Jordi Alonso ; Huibert Burger ; ESEMED/MH
• 刊名：Journal of Affective Disorders
• 出版年：2010
• 出版时间：July 2010
• 年：2010
• 卷：124
• 期：1-2
• 页码：38-44
• 全文大小：289 K

文摘

Background

The link between physical conditions and mental health is poorly understood. Functional disability could explain the association of physical conditions with major depressive episode (MDE) as an intermediary factor.

Methods

Data was analyzed from a subsample (N = 8796) of the European Study of the Epidemiology of Mental Disorders (ESEMeD), a cross-sectional general population survey. MDE during the last 12 months was assessed using a revision of the Composite International Diagnostic Interview (CIDI 3.0). Lifetime chronic physical conditions were assessed by self-report. Functional disability was measured using a version of the World Health Organization Disability Assessment Schedule (WHODAS). The associations of physical conditions with MDE and explanation by functional disability were quantified using logistic regression.

Results

All physical conditions were significantly associated with MDE. The increases in risk of MDE ranged from 30 % for allergy to amply 100 % for arthritis and heart disease. When adjusted for physical comorbidity, associations decreased and were no longer statistically significant for allergy and diabetes. Functional disability explained between 17 and 64 % of these associations, most substantially for stomach or duodenum ulcer, arthritis and heart disease.

Limitations

Due to the cross-sectional nature of the study the temporal relationship of the variables could not be assessed and the amount of explanation cannot simply be interpreted as the amount of mediation.

Conclusions

Our findings suggest that the association of chronic physical conditions with MDE is partly explained by functional disability. Such explanation is more pronounced for pain causing conditions and heart disease. Health professionals should be particularly aware of the increased risk of depressive disorder when patients experience disability from these conditions.