Abstract
The objective of this study was to translate and test the reliability and validity of the Sinhala (Sri Lankan native language) version of the UFS-QOL. This study was carried out by following two main steps. First step included the translation process and the second step focused on the validation of the translation process of UFS-QOL which was conducted at clinical setup. In the step I of the study, several minor linguistic differences were identified between two forward translations. Some of the items showed considerable variation, especially in question no 1, 9, 23 and 28. The pre- final version of the Sinhala translated questionnaire was tested on 30 patients with symptomatic uterine fibroids in Step II. All items had a 100% response rate and no participant experienced difficulty completing the questionnaire. Out of 30 participants 4 subjects (13%) were unclear with item 33 on the exact meaning of the question. After discussing with the expert committee on all the issues rose at clinical setup the questionnaire was modified and finalized. Statistical analysis shows Cronbach Alpha value is greater than 0.7, reflect adequate internal consistency. Hence, data and question/translations are reliable. Understanding the UFS-QOL context to the people is acceptable and translation work is at satisfactory level. This study shows that the Sinhala translated version of UFS-QOL was linguistically reliable and valid QOL measure for use in Sinhala speaking community in Sri Lanka. Levels of compliance were good indicating that the instrument was well accepted by patients. It could be used in clinical and epidemiological researches on uterine fibroids as an acceptable tool.
Highlights
Measurements are essential activities in the field of medical science
First step included the translation process and the second step focused on the validation of the translation process of UFS-QOL which was conducted at clinical setup
This study shows that the Sinhala translated version of UFS-QOL was linguistically reliable and valid QOL measure for use in Sinhala speaking community in Sri Lanka
Summary
Measurements are essential activities in the field of medical science. In order to acquire data about human subjects, objects and events proper data collection tools are important to be designed which can measure things of scientific interest. A questionnaire is a tool to collect information from respondents in scientific research. Uterine fibroids are most common benign tumors which occur in reproductive track of women of child bearing age and prevalence is reported as 20-25% of the worldwide reproductive age woman population (Bourdet, et al 2015). Appearance of symptoms and their impact on health related quality of life and disturbing activities of daily living are the primary indication for uterine fibroid therapy. Patient reported outcome measures are the most appropriate tool to measure the impact and outcomes of interventions (Karin, 2012)
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