Investigation of the validity and reliability of the Turkish version of Back-Health-Related postural habits in daily activities questionnaire.

Aim of the study to determine the validity and reliability of the Turkish version of the Back-Health-Related Postural Habits In Daily Activities Questionnaire (BEHALVES-T). 162 adolescents were included in the study. Test-retest method and internal consistency analysis were used for reliability. The validity was determined using the Back Pain and Body Posture Evaluation İnstrument (BackPEI). When Test-retest values for BEHALVES-T was examined, it was seen that using a bag, carrying weight, reaching and the total score of the scale were consistent (ICC > 0.70). Standing and sitting posture sub-dimensions were found to be borderline consistent (p < 0.01). Examining the scale's internal consistency showed that the sub-dimensions' consistency levels were low, but the total value scale's internal consistency was medium. The relationship between BEHALVES-T, BACKPEI (r = -0.238) was found to be weak. The content validity index was found to be 0.98. According to the results of this study, the Turkish version of the BEHALVES is a valid and reliable questionnaire for adolescents.