NCT06700707

Turkish Adaptation, Validity and Reliability Study of the Athlete Disability Index Questionnaire

Turkish Adaptation, Validity and Reliability Study

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 120 (actual)
• Sponsor: Medipol University · Academic / Other
• Sex: All
• Age: 18 Years – 35 Years
• Healthy volunteers: Not accepted

Summary

This survey study aims to analyze the cultural adaptation, validity, and reliability of a scale originally in English and currently being translated into Turkish, which allows athletes with low back pain to assess their functional disabilities in sports and exercise activities as well as their disabilities in daily living activities. Athletes with low back pain will be asked to fill out 3 questionnaires.

Detailed description

In the study, firstly, the translation of the Athlete Disability Index Questionnaire (ADI) into the target language, comparison of the two translated versions of the scale, back translation of the preliminary version, synthesis, pilot test of the pre-final version and psychometric test studies will be carried out by 3 independent translators and 2 linguists in 6 stages. Then, 120 athletes with low back pain will be asked to fill out the ADI, Roland Morris Disability Questionnaire (RMDQ) and Oswestry Low Back Pain Disability Index (ODI). 7 days later, the ADI will be filled out again by 60 athletes. After the surveys are completed, the structural validity of the scale will be tested, and reliability will be measured by performing test-retest reliability and internal consistency analyses.

Conditions

• Low Back Pain
• Disability
• Athlete
• Sport

Interventions

Type	Name	Description
OTHER	Survey using a questionnaire.	Permission was obtained from the original owner of the Athlete Disability Index Questionnaire (ADI) for the Turkish cultural adaptation, validity and reliability study. 120 athletes, determined by the number of questions times the rule of 10, will be asked to fill out the ADI, Oswestry Disability Index (ODI), and Roland-Morris Disability (RMDQ) questionnaires and 60 athletes will be asked to fill out the ADI questionnaire again 7 days later for test-retest reliability.

Timeline

• Start date: 2025-02-27
• Primary completion: 2025-06-02
• Completion: 2025-06-10
• First posted: 2024-11-22
• Last updated: 2025-11-20

Locations

1 site across 1 country: Turkey (Türkiye)