Aldewachi, A., Aladul, M., Hijazeen, R. (2025). Cross-Cultural Adaptation and Validation of the Quality of Life, Obesity and Dietetics Rating Scale. , 22(4), 175-179. doi: 10.33899/iraqij.p.2025.160005.1151
Aya Saad Aldewachi; Mohammed Ibrahim Aladul; Rima Hijazeen. "Cross-Cultural Adaptation and Validation of the Quality of Life, Obesity and Dietetics Rating Scale". , 22, 4, 2025, 175-179. doi: 10.33899/iraqij.p.2025.160005.1151
Aldewachi, A., Aladul, M., Hijazeen, R. (2025). 'Cross-Cultural Adaptation and Validation of the Quality of Life, Obesity and Dietetics Rating Scale', , 22(4), pp. 175-179. doi: 10.33899/iraqij.p.2025.160005.1151
Aldewachi, A., Aladul, M., Hijazeen, R. Cross-Cultural Adaptation and Validation of the Quality of Life, Obesity and Dietetics Rating Scale. , 2025; 22(4): 175-179. doi: 10.33899/iraqij.p.2025.160005.1151

Cross-Cultural Adaptation and Validation of the Quality of Life, Obesity and Dietetics Rating Scale

Iraqi Journal of Pharmacy
Article 1, Volume 22, Issue 4, December 2025, Pages 175-179    PDF (427.27 K)
Document Type: Research Paper
DOI: 10.33899/iraqij.p.2025.160005.1151
Authors
Aya Saad Aldewachi1; Mohammed Ibrahim Aladul* 1; Rima Hijazeen2
1Department of Clinical Pharmacy, College of Pharmacy, University of Mosul, Mosul, Iraq
2Department of Biopharmaceutics and Clinical Pharmacy, Faculty of Pharmacy University of Jordan, Amman, Jordan
Abstract
Background: Obesity significantly impacts health-related quality of life (HRQoL), yet few culturally appropriate tools exist for Arabic-speaking populations. This cross-sectional validation study aimed to translate and validate the Arabic version of the Quality of Life, Obesity and Dietetics (QOLOD) rating scale. Methods: The translation followed internationally accepted guidelines, including forward-backward translation, expert committee review, pretesting, and formal content validity assessment. A convenience sample of 82 overweight or obese Arabic-speaking adults participated in the validation phase. The Arabic version of the QOLOD was evaluated for content validity, internal consistency, test-retest reliability, construct validity, and floor/ceiling effects to assess its overall reliability and validity. Results: The Arabic QOLOD demonstrated excellent content validity: item-level CVI (I-CVI) = 0.91–0.94; scale-level CVI (S-CVI) = 0.92–0.95; universal agreement (S-CVI/UA) = 0.82–0.84. The instrument showed strong internal consistency (Cronbach’s alpha = 0.87–0.89). Test-retest reliability was excellent (ICC = 0.91). EFA confirmed a five-factor structure consistent with the original French version: physical impact, psychological impact, sex life, comfort with food, and diet experience, explaining 68.3% of total variance. No significant floor or ceiling effects were observed except for the sex life domain (19.9%). HRQoL scores varied significantly by BMI, gender, and age group. Conclusion: The Arabic version of the QOLOD is a reliable and valid tool for assessing HRQoL among Arabic-speaking individuals with obesity. It is recommended for use in clinical and research settings across Arab countries.
Keywords
Content validity; Quality of life; Obesity; Physical impact; Psychometric properties
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