title: [Validating the Oswestry Disability Index in patients with low back pain in Sichuan].
abstract: OBJECTIVE
  To test the reliability and validity of the Oswestry Disability Index (ODI) in patients with low back pain in China.
  
  
  METHODS
  Eighty six patients (female 51, male 35, average age 39.5 +/- 10.1) with chronic low back pain were assessed with the ODI. The assessment was repeated 48 hours after the first test.
  
  
  RESULTS
  The Cronbach' Alpha coefficient for the ODI was 0.891. The intraclass correlation coefficient (ICC) for the repeated tests was 0.854 (95% CI = 0.775-0.905). The exploratory factor analysis extracted two factors, which accounted for 61.91% of the total variance. Significant correlations were found between the ODI and the 6 domains of the SF-36.
  
  
  CONCLUSIONS
  The Chinese version of Oswestry Disability Index has satisfactory reliability and validity. It can be used as an instrument for assessing chronic low back pain-related disability.
authors.affiliation: Department of Health Statistics, West China School of Public Health, Sichuan University, Chengdu 610041, China.
authors.forename: Ke
authors.initials: K
authors.lastname: Tan
authors.forename: Min
authors.initials: M
authors.lastname: Zheng
authors.forename: Bang-xiang
authors.initials: BX
authors.lastname: Yang
authors.forename: Volinn
authors.initials: V
authors.lastname: Ernest
authors.forename: Hui
authors.initials: H
authors.lastname: Liu
authors.forename: Jing
authors.initials: J
authors.lastname: He
authors.forename: Min
authors.initials: M
authors.lastname: Jiang
authors.forename: Xiao-song
authors.initials: XS
authors.lastname: Li
mesh_terms: D000328:Adult; D002681:China; D003431:Cross-Cultural Comparison; D004185:Disability Evaluation; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D011237:Predictive Value of Tests; D011795:Surveys and Questionnaires