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AIMS: To identify predictors of poor quality of life among men with diabetes from a comprehensive set of sexual, clinical, socio-economic and lifestyle variables. METHODS: This was a cross-sectional observational-study of 253 men with Type 2 diabetes, randomly selected from a clinic in Colombo, Sri Lanka. Erectile dysfunction was assessed using the five-item International Index of Erectile Function and quality of life was assessed using the Sri Lankan version of the 36-item short form health survey questionnaire and the disease-specific Psychological Impact of Erectile Dysfunction scale. The presence of premature ejaculation, reduced libido, socio-demographic and lifestyle data was obtained using an interviewer-administered questionnaire. Significant predictors of quality of life were identified by stepwise multivariate linear regression models for short form-36 subscales, summary scales and two scales of Psychological Impact of Erectile Dysfunction. RESULTS: Significant predictors on the physical summary scale of the 36-item short form were erectile dysfunction (β = 7.93, 95% CI 3.70-12.17, P < 0.001) and reduced libido (β = 5.20, 95% CI 0.82-9.59, P < 0.05). Predictors on the mental health summary scale of the 36-item short form were erectile dysfunction (β = 5.82, 95% CI 2.26-9.37, P < 0.01), BMI > 27.5 kg/m(2) (β = 9.12, 95% CI 1.38-17.44, P < 0.05), ischaemic heart disease (β = 6.39, 95% CI 0.74-12.04, P < 0.05) and insulin therapy (β = 5.28, 95% CI 0.34-10.22, P < 0.05). Significant predictors in the sexual experience scale of the Psychological Impact of Erectile Dysfunction were erectile dysfunction (β = 6.57, 95% CI 4.63-8.51, P < 0.001), reduced libido (β =4.33, 95% CI 2.34-6.32, P < 0.001) and postural hypotension (β = 3.99, 95% CI 0.13-7.85, P < 0.05). Predictors on the emotional life scale of the Psychological Impact of Erectile Dysfunction were erectile dysfunction (β = 2.96, 95% CI 1.37-4.58, P < 0.001), reduced libido 2.75 (β = 2.75, 95% CI 1.12-4.40, P < 0.01), younger age (β = 1.05, 95% CI 0.35-1.75, P < 0.01) and postural hypotension (β = 3.39, 95% CI 0.35-6.45, P < 0.05). CONCLUSION: Erectile dysfunction was a strong predictor of poor generic and disease-specific quality of life among other sexual and clinical variables in men with diabetes.

Original publication

DOI

10.1111/dme.12412

Type

Journal article

Journal

Diabet Med

Publication Date

06/2014

Volume

31

Pages

699 - 706

Keywords

Affective Symptoms, Age Factors, Cross-Sectional Studies, Diabetes Mellitus, Type 2, Ejaculation, Erectile Dysfunction, Humans, Hypotension, Orthostatic, Libido, Life Style, Male, Mental Health, Middle Aged, Quality of Life