As per preceding commendation, Fear Avoidance Belief Questionnaire will be translated into Urdu language from its English version and adapted culturally in Pakistan. Among low back pain population, Fear Avoidance Belief Questionnaire will be conducted in 180 patients recruited by convenience sampling technique under the pre-defined inclusion and exclusion criteria after signing consents forms. For testing inter-observer reliability and intra-observer reliability of Fear Avoidance Belief Questionnaire, Hospital anxiety and depression scale, Ronald Morris questionnaire, Quebec pain rating scale and numeric pain rating scale will be administrated by two observers, on the same day, with a time interval of 2 hours between 1st and 2nd conduction. As for the 3rd conduction, it will be carried out after seven days by the first observer, for intra-observer assessment. Statistical Package of Social Sciences software version 24 will be used for the purpose of data entry and analysis. Internal consistency will be assessed by using an intra-class correlation coefficient. The Fear Avoidance Belief Questionnaire will be evaluated for content validity, construct validity, criterion validity and responsiveness.
The study aims to translate and culturally adapt Fear Avoidance Belief Questionnaire into the Urdu language and to investigate the reliability and validity in the Pakistani population and check its correlation with Visual Analog Scale , Ronald Morris Questionnaire, Quebec Back Pain Disability Scale and Hospital Anxiety and Depression scale .