The Oswestry Low Back Pain Disability Questionnaire (Version 1.0) Thai Version
Nopawan Sanjaroensuttikul MD*
Affiliation : * Department of Physical Medicine and Rehabilitation, Ramathibodi Hospital, Mahidol University
Objective : To validate the Thai version of the Oswestry low back pain disability questionnaire.
Materials and Methods : The questionnaire was translated into Thai version by two translators and some
statements were adapted. Back translation was performed by a language professional. The content validity
was evaluated by five experts in physical medicine and rehabilitation field. The scores were calculated. Then
the questionnaire was completed by the patients and data calculated for Cronbach’s alpha.
Results : Thirty-two patients who complained of acute low back pain (less than 3 months) completed the Thai
version of the questionnaire. The content validity of each item ranged from 0.6-1.0 and the Cronbach’s alpha
of all items was 0.8107.
Conclusion : The Thai version of the Oswestry low back disability questionnaire was qualified with good
internal consistency for measuring acute low back pain in Thai patients.
Keywords : Oswestry, Low back pain measurement
