<![CDATA[Tuberculosis (TB) is one of the infectious diseases that needs to be watched out for in Indonesia. TB affects the quality of life of patients, such as physical, social, emotional, functional and spiritual factors. Valid instrument measurements are needed to determine the quality of life of TB patients. FACIT-TB is a questionnaire used as a measurement of quality of life in TB patients. The purpose of this study was to determine the validity and reliability of the Indonesian version of the FACIT-TB questionnaire as a valid questionnaire. This study used a quantitative method with a sample of 110 respondents at the Lamongan Regional Health Center. The results obtained were tested using the Pearson correlation test to determine its validity while for reliability it was seen with the Cronbach alpha value. The results of the validity test were declared valid with the requirement that the calculated r value > r table. The results of all FACIT-TB questionnaire questions were declared valid. The results of the reliability test used the Cronbach alpha value with the entire domain value > 0.6. Therefore, the Indonesian version of the FACIT-TB questionnaire is a valid and reliable measurement of quality of life for TB patients. Quality of life must be measured with a valid questionnaire or instrument to obtain accurate results.]]>
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