Depression Mediates the Effect of Sexual Function on Quality of Life among Men but Not Women with Coronary Artery Disease

Shervin Assari

International Cardiovascular Research Journal

The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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Depression Mediates the Effect of Sexual Function on Quality of Life among Men but Not Women with Coronary Artery Disease

Author(s):

Shervin Assari^1,*

1Department of Health Behavior and Health Education, School of Public Health, University of Michigan, Ann Arbor, MI, United States

International Cardiovascular Research Journal:Vol. 8, issue 4; e11682

Published online:Dec 01, 2014

Article type:Research Article

Received:Apr 19, 2017

Accepted:Jun 21, 2014

How to Cite:Shervin Assari, Depression Mediates the Effect of Sexual Function on Quality of Life among Men but Not Women with Coronary Artery Disease.Int Cardiovasc Res J.2014;8(4):e11682.

Abstract

Background: Poor sexual function is associated with impaired Health-Related Quality of Life (HRQoL), and patients with Coronary Artery Disease (CAD) are not exceptions. It is not known, however, if symptoms of depression mediate the effect of sexual function on HRQoL among men and women with CAD.

Objectives: This study aimed to determine the mediating effect of depressive symptoms on the association between sexual function and HRQoL among men and women with CAD.

Patients and Methods: This cross-sectional study was conducted on 401 men and 156 women with CAD. Sexual function, measured by the Relation and Sexuality Scale (RSS), was the independent variable. In addition, physical and mental HRQoL measured using physical and mental health summary scores of Short Form 36 (SF-36) were dependent variables. Besides, the severity of depressive symptoms measured by the Hospital Anxiety and Depression Scale (HADS) was conceptualized as the mediator. Age, income, education, and medical comorbidities (Ifudu index) were control variables, and gender was the moderator. Multi-group path analysis was conducted using AMOS20.0 for data analysis.

Results: When the effects of age, education, income, and comorbidities were controlled, sexual function was correlated with poor mental HRQoL in both genders. However, the association between sexual function and poor physical HRQoL could be found only among men but not women. Evidence also supported partial mediation of depressive symptoms on the effect of sexual function on mental HRQoL of both men and women. Nonetheless, the results suggested partial mediation of depressive symptoms on the effect of sexual function on physical HRQoL only among men but not women.

Conclusions:: Symptoms of depression may not have a similar role in explaining the effect of sexual function on physical HRQoL of men and women with CAD. Our findings suggest that only among men, depressive symptoms might be the mechanism by which sexual function affects the CAD patients’ physical HRQoL.

Keywords

Coronary Artery Disease

Depression

Comorbidity

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