Psychometric Properties of the QOLLTI-F questionnaire to assess quality of life in caregivers of cancer

Introduction: The objective of the present study was to assess the validity and reliability of Malay version of the Quality of life during serious illness – family carers QOLLTI-F questionnaire. Method: 80 Malaysian caregivers of cancer patients in an outpatient oncology clinic at Hospital universiti Sains Malaysia (HUSM) enrolled in this study. Psychometric Properties of the translated QOLLTI-F questionnaire carried out by professionals and assessed by exploratory factor analysis. Demographic characteristics of the respondents face and content validity of the Malay version recorded. Result: Exploratory factor analysis led to the extraction of seven factors and this was consistent with the English version. Cronbach Alpha coefficient showed good consistency of the questions within the sub-scales (Cronbach s alpha 0.7). Conclusion: This study was confined to a Malaysian population. Nevertheless, the translated questionnaire demonstrated valid and reliable psychometric properties when administered to Malaysian caregivers. Future studies are needed to see if this instrument can fit other samples in different settings and populations.