Development and Validation of the International Index of Erectile Function (IIEF) in Bangla-speaking Population
Muhammad Kabir Hasan Parvez *
Department of Psychiatry, Mymensingh Medical College, Mymensingh, Bangladesh.
Mohammad Ashraful Siddiqui Pathan
Department of Psychiatry, Community Based Medical college, Mymensingh, Bangladesh.
Dil Mohammad Sazzadul Kabir Sabuz
Department of Psychiatry, Mymensingh Medical College Hospital, Mymensingh, Bangladesh.
Md. Asif Nowaz
Mymensingh Medical College Hospital, Bangladesh.
Md. Enamul Hoque Khan
Department of Psychiatry, Mymensingh Medical College, Mymensingh, Bangladesh.
Md. Tanvir Rahman Shah
Department of Psychiatry, Rangpur Medical College Hospital, Rangpur, Bangladesh.
MMA Shalahuddin Qusar Biplob
Department of Psychiatry, Bangladesh Medical University, Dhaka, Bangladesh.
Mohammad Sohel Al Mozahid
Department of Psychiatry, Mymensingh Medical College Hospital, Mymensingh, Bangladesh.
Md. Sazib Mian
Department of Psychiatry, Netrokona Medical college Hospital, Netrokona, Bangladesh.
Asaduzzaman Laskar
Department of Neurology, Mymensingh Medical College Hospital, Mymensingh, Bangladesh.
*Author to whom correspondence should be addressed.
Abstract
Background: Erectile disorder affects about 15% of men globally, with higher prevalence in developing countries. Effective assessment requires a standardized tool, but Bangladesh lacks a validated one. The International Index of Erectile Function (IIEF) is widely used to measure severity and treatment outcomes, and it is available in over 32 languages with strong reliability. However, a culturally adapted version for Bangladesh remains unavailable, hindering proper diagnosis and management.
Objective: To develop a culturally adapted and validated Bangla version of the International Index of Erectile Function (IIEF), a questionnaire for assessing erectile disorder among adult males.
Methods: This cross-sectional validation study was conducted at the Psychiatry Department of Bangabandhu Sheikh Mujib Medical University from September 2018 to September 2020. The Bangla version of the International Index of Erectile Function was administered to 93 erectile dysfunction (ED) patients. Validity (content, face, and construct validity via factor analysis) and reliability (internal consistency via Cronbach’s α) were assessed. An expert committee evaluated content/face validity. Data were analyzed using SPSS-20.0.
Results: Face and content validity were confirmed during translation. The Kaiser-Meyer Olkin (KMO) value (0.82) indicated adequate sampling. Cronbach’s α for the total score was 0.652, demonstrating acceptable reliability. These findings align with prior validation studies, supporting the tool’s robustness for clinical use.
Conclusion: The validated Bangla version of the IIEF demonstrates strong reliability and validity, making it a suitable tool for assessing erectile function in Bengali-speaking men. Its psychometric robustness supports clinical and research use in Bangladesh and other Bangla-speaking populations.
Keywords: Bangla version, Cronbach’s α, erectile dysfunction, international index of erectile function, Kaiser-Meyer Olkin value, KMO