The Validity and Reliability of the Indonesian Version of Fertility Quality of Life (FertiQoL) Questionnaire
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Abstract
Introduction: Quality of life among infertile patients can be measured using a tool has been developed. The tool is The Fertility Quality of Life (FertiQoL). This tool has been translated into 45 languages, and its validation has been studied in some of them. FertiQoL has been translated into Bahasa Indonesia, and reported based on a limited number of female samples.This study used a larger sample size, which consisted of male and female patients to fur- ther validate FertiQoL both internally and externally using WHOQoL-BREF questionnaire. Methods: The FertiQoL questionnaire was distributed in three private hospitals, one private obstetrician and gynaecologist clinic through purposive sampling method between March 2017 and April 2018. A package containing demographic questions and FertiQoL questionnaire was distributed to patients who met the inclusion criteria and one third of them were asked to filled in the WHOQoL-BREF questionnaire for convergent validation. Results: Demographic and FertiQoL were completeted by 614 patients, whereas 217 patients filled in additional WHOQoL-BREF. Significant positive correlations were found on all FertiQoL subscales through convergent validation with WHOQoL-BREF. Intra-correlation of each question in FertiQoL was found to correspond the highest to its intended subscale. The alpha coefficient of FertiQoL subscales was between 0.11-0.85. Omitting reverse-worded questions from the questionnaire increased FertiQoL alpha coefficient to 0.60-0.87. Conclusion: In the Indonesian language, FertiQoL was an internal and external tool that valid and reliable to assess the quality of life of infertile patients. However, further evaluation is needed to increase reliability on the relational and social subscale.
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