Cross-cultural adaptation, reliability, and validity of the Turkish version of the obesity-specific quality of life questionnaire: Quality of Life, Obesity and Dietetics (QOLOD) rating scale.

Obesity is one of the main public health issue in many countries including Turkey. The aim of the study is to test cross-cultural adaptation, reliability, and validity of QOLOD rating scale in Turkish Language.
This methodological study was conducted among the overweight and obesity people between February ? March, 2018 in Ankara Atatürk Training and Research Hospital. The data was collected through self-report and face to face interview. The QOLOD rating scale has 36 items, a five-point Likert scale (1?5) is used for each question.
In the study, of the 180 participants, 101 (56.1%) were female, 79 (43.9%) were male, and the mean age was 43.36 ± 14.28 (min-max 18-87) years. According to the CFA, the Turkish version of QOLOD rating scale shows a multidimensional structure consisting of 34 items. Two items (item 11 and item 35) were excluded from the scale according to the CFA. Cronbach’s Alpha value changes between 0.927-0.930.
Finding shows that the Turkish version of QOLOD rating scale had sufficient validity and reliability for Turkish population, had strong psychometric characteristics.