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Association of the Japanese Orthopaedic Association score with the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and short-form 36.
Spine (Phila Pa 1976). 2003 Jul 15; 28(14):1601-7.S

Abstract

STUDY DESIGN

Cross-cultural translation and cross-sectional psychometric testing were performed.

OBJECTIVES

To cross-culturally translate the Oswestry Disability Index (ODI) and the Roland-Morris Disability Questionnaire (RMDQ) into Japanese, and to compare the Japanese Orthopaedic Association (JOA) score with the ODI and the RMDQ score.

SUMMARY OF BACKGROUND DATA

The two most widely used back-specific measures, the ODI and the RMDQ, have not been translated into Japanese. The JOA score has been used extensively in Japan. However, this score has not been tested in terms of its reliability and validity.

METHODS

The ODI and RMDQ were translated into Japanese using the process of forward translation, synthesis of translation, backward translation, expert committee, test of the prefinal version, and submission of the documentation to the developers. The JOA score, ODI, and RMDQ were tested with 97 patients who had degenerative lumbar spinal disorders (average age, 51 years). The correlation among the three disease-specific measures (JOA score, ODI, and RMDQ) and eight subscales of a generic health measure, the Medical Outcomes Survey Short-Form 36 (SF-36), was calculated. The reproducibility of the JOA score also was investigated.

RESULTS

Reliability, as estimated by internal consistency, reached a Cronbach alpha of 0.83 for the ODI and 0.86 for the RMDQ. The calculated test-retest reliability was 0.93 (P < 0.01; n = 20) for the ODI and 0.95 (P < 0.01; n = 20) for the RMDQ. The correlation of the JOA score with the ODI was -0.647 (P < 0.01), and with RMDQ was -0.568 (P < 0.01). There also was a significant correlation between the ODI and the RMDQ (r = 0.785; P < 0.01). There was a significant correlation between the three disease-specific measures (JOA score, ODI, and RMDQ) and all the subscales of the SF-36 (P < 0.01). The calculated reproducibility of the JOA score was as follows: interobserver error (r = 0.92, P < 0.01), test-retest reliability (r = 0.91, P < 0.01).

CONCLUSIONS

The Japanese versions of the ODI and the RMDQ were reliable and valid. The use of these translated instruments can be recommended for future clinical trials in Japan. The results also showed the JOA score had acceptable psychometric properties of reliability and construct validity, suggesting that this score is reliable and valid. Further studies are needed to verify the validity and responsiveness of the JOA score.

Authors+Show Affiliations

Department of Orthopaedic Surgery, Dokkyo University School of Medicine, Mibu-Machi, Tochigi, Japan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

12865852

Citation

Fujiwara, Atsushi, et al. "Association of the Japanese Orthopaedic Association Score With the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and Short-form 36." Spine, vol. 28, no. 14, 2003, pp. 1601-7.
Fujiwara A, Kobayashi N, Saiki K, et al. Association of the Japanese Orthopaedic Association score with the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and short-form 36. Spine (Phila Pa 1976). 2003;28(14):1601-7.
Fujiwara, A., Kobayashi, N., Saiki, K., Kitagawa, T., Tamai, K., & Saotome, K. (2003). Association of the Japanese Orthopaedic Association score with the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and short-form 36. Spine, 28(14), 1601-7.
Fujiwara A, et al. Association of the Japanese Orthopaedic Association Score With the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and Short-form 36. Spine (Phila Pa 1976). 2003 Jul 15;28(14):1601-7. PubMed PMID: 12865852.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association of the Japanese Orthopaedic Association score with the Oswestry Disability Index, Roland-Morris Disability Questionnaire, and short-form 36. AU - Fujiwara,Atsushi, AU - Kobayashi,Naoki, AU - Saiki,Kazuhiko, AU - Kitagawa,Tomoaki, AU - Tamai,Kazuya, AU - Saotome,Koichi, PY - 2003/7/17/pubmed PY - 2004/3/30/medline PY - 2003/7/17/entrez SP - 1601 EP - 7 JF - Spine JO - Spine (Phila Pa 1976) VL - 28 IS - 14 N2 - STUDY DESIGN: Cross-cultural translation and cross-sectional psychometric testing were performed. OBJECTIVES: To cross-culturally translate the Oswestry Disability Index (ODI) and the Roland-Morris Disability Questionnaire (RMDQ) into Japanese, and to compare the Japanese Orthopaedic Association (JOA) score with the ODI and the RMDQ score. SUMMARY OF BACKGROUND DATA: The two most widely used back-specific measures, the ODI and the RMDQ, have not been translated into Japanese. The JOA score has been used extensively in Japan. However, this score has not been tested in terms of its reliability and validity. METHODS: The ODI and RMDQ were translated into Japanese using the process of forward translation, synthesis of translation, backward translation, expert committee, test of the prefinal version, and submission of the documentation to the developers. The JOA score, ODI, and RMDQ were tested with 97 patients who had degenerative lumbar spinal disorders (average age, 51 years). The correlation among the three disease-specific measures (JOA score, ODI, and RMDQ) and eight subscales of a generic health measure, the Medical Outcomes Survey Short-Form 36 (SF-36), was calculated. The reproducibility of the JOA score also was investigated. RESULTS: Reliability, as estimated by internal consistency, reached a Cronbach alpha of 0.83 for the ODI and 0.86 for the RMDQ. The calculated test-retest reliability was 0.93 (P < 0.01; n = 20) for the ODI and 0.95 (P < 0.01; n = 20) for the RMDQ. The correlation of the JOA score with the ODI was -0.647 (P < 0.01), and with RMDQ was -0.568 (P < 0.01). There also was a significant correlation between the ODI and the RMDQ (r = 0.785; P < 0.01). There was a significant correlation between the three disease-specific measures (JOA score, ODI, and RMDQ) and all the subscales of the SF-36 (P < 0.01). The calculated reproducibility of the JOA score was as follows: interobserver error (r = 0.92, P < 0.01), test-retest reliability (r = 0.91, P < 0.01). CONCLUSIONS: The Japanese versions of the ODI and the RMDQ were reliable and valid. The use of these translated instruments can be recommended for future clinical trials in Japan. The results also showed the JOA score had acceptable psychometric properties of reliability and construct validity, suggesting that this score is reliable and valid. Further studies are needed to verify the validity and responsiveness of the JOA score. SN - 1528-1159 UR - https://www.unboundmedicine.com/medline/citation/12865852/Association_of_the_Japanese_Orthopaedic_Association_score_with_the_Oswestry_Disability_Index_Roland_Morris_Disability_Questionnaire_and_short_form_36_ L2 - https://Insights.ovid.com/pubmed?pmid=12865852 DB - PRIME DP - Unbound Medicine ER -