Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 26232
  Title Transcultural reliability and validity of the Japanese-language version of the Pelvic Girdle Questionnaire
Journal J Manipulative Physiol Ther. 2020 Jan;43(1):68-77
Peer Review Yes
Publication Type Article

Objective: The purpose of this study was to validate a Japanese version of the Pelvic Girdle Questionnaire (PGQ) and to confirm that the Japanese version of the PGQ (PGQ-J) was as valid as the original version.

Methods: This study involves 2 phases: (1) a cross-cultural adaptation study and (2) a cross-sectional study. The English PGQ was translated referring to the cross-cultural adaptation study process. Forty healthy pregnant or postpartum Japanese women participated. Women with pelvic girdle pain (PGP) completed the PGQ-J and 5 other instruments. Internal consistency, construct validity, test-retest reliability, ceiling and floor effects, and discrimination validity of the PGQ-J were analyzed.

Results: The PGQ-J showed high internal consistency with a Cronbach α of .968, and an interclass correlation coefficient of .79. The content validity showed a high positive correlation with the Oswestry Disability Index and Disability Rating Scale.

Conclusion: The PGQ-J was reliable and valid with high internal consistency and content validity for assessing disability owing to PGP in Japanese pregnant and postpartum women. The PGQ-J is expected to facilitate research and clinical practice for PGP in Japan and contribute to the welfare of postpartum women.

Author keywords: Surveys and Questionnaires; Cross-Cultural Comparison; Cross-Sectional Studies

Author affiliations: Graduate School of Medical Technology and Health Welfare Sciences, Higashi Hiroshima City, Hiroshima, Japan.

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