title: Reliability, Validity, and Cross-Cultural Adaptation of the Turkish Version of the Bournemouth Questionnaire.
abstract: METHODS
  Validation of a self-report questionnaire.
  
  
  OBJECTIVE
  The purpose of this study was to investigate adaptation, validity, and reliability of the Turkish version of the Bournemouth Questionnaire.
  
  
  BACKGROUND
  Low back pain is one of the most frequent disorders leading to activity limitation. This pain affects most of people in their lives. The most important point to evaluate patient's functional abilities and to decide a successful therapy procedure is to manage the assessment questionnaires precisely.
  
  
  METHODS
  One hundred ten patients with chronic low back pain were included in present study. To assess reliability, test-retest and internal consistency analyses were applied. The results of test-retest analysis were assessed by using Intraclass Correlation Coefficient method (95% confidence interval). For internal consistency, Cronbach alpha value was calculated. Validity of the questionnaire was assessed in terms of construct validity. For construct validity, factor analysis and convergent validity were tested. For convergent validity, total points of the Bournemouth Questionnaire were assessed with the total points of Quebec Back Pain Disability Scale and Roland Morris Disability Questionnaire by using Pearson correlation coefficient analysis.
  
  
  RESULTS
  Cronbach alpha value was found 0.914, showing that this questionnaire has high internal consistency. The results of test-retest analysis were varying between 0.851 and 0.927, which shows that test-retest results are highly correlated. Factor analysis test indicated that this questionnaire had one factor. Pearson correlation coefficient of the Bournemouth Questionnaire with Roland Morris Disability Questionnaire was calculated 0.703 and it was found with Quebec Back Pain Disability Scale is 0.659. These results showed that the Bournemouth Questionnaire is very good correlated with Roland Morris Disability Questionnaire and Quebec Back Pain Disability Scale.
  
  
  CONCLUSIONS
  The Turkish version of the Bournemouth Questionnaire is valid and reliable.
  
  
  METHODS
  3.
authors.affiliation: Gazi University, Faculty of Health Science, Department of Physical Therapy and Rehabilitation, Ankara, Turkey.
authors.forename: Gurkan
authors.initials: G
authors.lastname: Gunaydin
authors.affiliation: Gazi University, Faculty of Health Science, Department of Physical Therapy and Rehabilitation, Ankara, Turkey.
authors.forename: Seyit
authors.initials: S
authors.lastname: Citaker
authors.affiliation: Gazi University, Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Ankara, Turkey.
authors.forename: Jale
authors.initials: J
authors.lastname: Meray
authors.affiliation: Gazi University, Faculty of Health Science, Department of Physical Therapy and Rehabilitation, Ankara, Turkey.
authors.forename: Gamze
authors.initials: G
authors.lastname: Cobanoglu
authors.affiliation: Hacettepe University, Institute of Health Science, Department of Physical Therapy and Rehabilitation, Ankara, Turkey.
authors.forename: Ozge Ece
authors.initials: OE
authors.lastname: Gunaydin
authors.affiliation: Gazi University, Faculty of Health Science, Department of Physical Therapy and Rehabilitation, Ankara, Turkey.
authors.forename: Zeynep
authors.initials: Z
authors.lastname: Hazar Kanik
mesh_terms: D000328:Adult; D003431:Cross-Cultural Comparison; D004185:Disability Evaluation; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011594:Psychometrics; D015203:Reproducibility of Results; D057566:Self Report; D011795:Surveys and Questionnaires; D014421:Turkey