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Validity and Reliability of the Golombok-Rust Inventory of Sexual Satisfaction (GRISS) in Patients With Type 2 Diabetes

Abstract Despite the wide use of the Golombok-Rust Inventory of Sexual Satisfaction (GRISS) in several populations, the instrument has yet to be validated among patients with type 2 diabetes. The aim of this study was to evaluate the validity and reliability of the GRISS for the estimation of clinically relevant sexual dysfunction among type 2 diabetes patients under clinical management. This cross-sectional study was conducted among a total of 136 and 126 type 2 diabetic males and females, respectively, using GRISS for male and female. Internal consistency, test-retest reliability, and scores of discriminant validity were calculated. Cronbach’s alpha coefficient ranged from 0.71 to 0.90 in total samples of males and females. The values obtained were similar between the chronic diabetic patients with self-reported sexual problems and normal samples. Test-retest reliability gave fair scaling results of 0.94 overall for males and 0.97 for females using Pearson’s correlation coefficient. GRISS subscales differentiated multivariately between men (F7,122 = 19.308; p = 0.000; eta2 = 0.721; power = 0.993) and women (F7,118 = 18.705; p = 0.000; eta2 = 0.526; power = 0.928) with and without sexual problems. GRISS appears to be valuable and reliable for use among the Ghanaian population. Regular use of the GRISS for the screening of sexual problems among diabetic patients appears warranted.