Reliability and Validation of Turkish version of the Dallas pain questionnaireGhofran Alhomedha1, Seyit Citaker2, Gurkan Gunaydin3, Furqan Khan4, Refia Sezer5
1Department Of Physical Therapy And Rehabilitation, Gazi University, Institute Of Health Science. Ankara, Turkey
2Department Of Physical Therapy And Rehabilitation, Gazi University, Faculty Of Health Science. Ankara, Turkey
3Department of Physical Therapy and Rehabilitation Aydın Adnan Menderes University, Faculty of Health Sciences. Ankara, Turkey
4Department Of Orthopedic Surgery, Tehran University Of Medical Sciences. Tehran, Iran
5Department Physical Therapy And Rehabilitation, Izzet Baysal Training And Research Hospital, Bolu, Turkey.
Objective: Evaluation of Low Back Pain requires a condition specific disability questionnaire such as self-assessment pain scales. Dallas Pain Questionnaire is a 16-item visual analog scale, developed for evaluating patients cognitions about the percentage that chronic pain affects four aspects of the subjects lives. It's easy to understand; can be answered in 3-5 minutes and can be scored in less than 1 minute. This reliability and validation study offers health care providers an opportunity to utilize this distinct questionnaire in Turkish population with Back Pain. The objectives are translation of Dallas Questionnaire from English to Turkish language, and to perform validation and reliability study. Keywords: Dallas pain questionnaire, Turkish version, Validity, Reliability, Low back pain
Materials and methods: 102 patients (79 women and 23 men) with mean age of 50.2 years and low back pain for at least 3 months answered Dallas Pain Questionnaire along with five other previously translated and validated questionnaires in Turkish language. 59 of these patients participated re-test reliability after 7 days. Internal consistency and test-retest analyzes were conducted to determine the reliability and convergent validity was evaluated for the validation study.
Results: The questionnaire was noted to have high internal consistency. The test-retest analysis revealed an excellent correlation (ICC=0.969). Pearson correlation coefficient shows that all subscales (sections) of DPQ are significant and comparable with each of the other questionnaires included in this study proving that it has sufficient convergent validity (p<0.001).
Conclusion: Turkish version of Dallas Pain Questionnaire is content, valid, reliable and sensitive to use in patients with Low Back Pain.
Corresponding Author: Furqan Khan, Iran