title: Validation of the Japanese version of the Roland-Morris Disability Questionnaire.
abstract: The study was designed to validate a translated, culturally adapted questionnaire. We examined the reliability, validity, and responsiveness of the Japanese version of the Roland-Morris Questionnaire (RDQ) when assessing disability in Japanese patients with low back pain. The RDQ is a reliable, validated scale used to measure disability caused by low back pain. However, no validated Japanese version of this questionnaire is available. A series of 214 outpatients with low back pain participated in this validation study. The patients were given the RDQ and the SF-36, and assessed their pain and global rating of health. Among them, 57 who were clinically stable were given the RDQ again 2 weeks later. The reliability was examined based on the test-retest method and internal consistency. Sufficient reliability was demonstrated with a Chronbach's. coefficient of 0.85, and the reproducibility for the 30 patients was r = 0.91. The principal component analysis showed unidimensionality. The RDQ score of the 133 patients was significantly improved after treatment. The Japanese version of the RDQ is a useful scale that is easy to use with reliability, validity, and responsiveness when assessing patients with low back pain.
authors.affiliation: Department of Epidemiology and Health Care Research, Kyoto University Graduate School of Medicine and Public Health, Yoshida Konoe-cho, Sakyo-ku, 606-8501, Kyoto, Japan.
authors.forename: Yoshimi
authors.initials: Y
authors.lastname: Suzukamo
authors.forename: Shunichi
authors.initials: S
authors.lastname: Fukuhara
authors.forename: Shinichi
authors.initials: S
authors.lastname: Kikuchi
authors.forename: Shinichi
authors.initials: S
authors.lastname: Konno
authors.forename: Martin
authors.initials: M
authors.lastname: Roland
authors.forename: Yukihide
authors.initials: Y
authors.lastname: Iwamoto
authors.forename: Takashi
authors.initials: T
authors.lastname: Nakamura
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004185:Disability Evaluation; D005260:Female; D006801:Humans; D007564:Japan; D007802:Language; D017116:Low Back Pain / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires