Reliability and Validity of Brazilian-Portuguese version of Roland-Morris questionnaire(RM-24) for CLBP patients

Nasbaum et al. (2001) proposed a study on RM questionnaire which is to be translated into the Brazilian-Portuguese in a sample size of 30 CLBP patients. After the original version was translated to Brazilian-Portuguese, the discrepancies after being taken to discussion were solved by a panel of three rheumatologists to establish the final version of Brazilian RM questionnaire or the Brazil-RM. In the session for pretesting, the patient understood all the questions. The average time for administration of questionnaire was 4 min and 53s. The ICC and SCC (SpearmanCorrelation Coefficient) were 0.94 and 0.88(P<0.01) respectively for the reliability of the test / retest and 0.95 and 0.86(P<0.01) correspondingly for the reliability of interobserver. It can be concluded that there was successful translation of Brazil-RM and it was adapted for application to the patients in Brazil with reliability of satisfactory level.

 The validation of Brazilian-Portuguese RM questionnaire by Nasbaum et al. (2001) was done after translating and adapting it  on 30 patients suffering from CLBP who are consecutively selected from outpatient clinic for disorders related to spine. The validity of the cross-sectional construct was calculated by the SCC. The coefficient of correlation was 0.80(P<0.01) between the score of Brazil –RM and PS score and 0.79(P<0.01) between Brazil-RM score and VAS. It can be concluded that there was successful translation of Brazil-RM and it was adapted for application to the patients in Brazil with validity of cross-sectional construct.

 Reference:

Nusbaum L, Natour J, Ferraz MB, Goldenberg J.( 2001), Translation, adaptation and validation of the Roland-Morris questionnaire--Brazil Roland-Morris . Braz J Med Biol Res. Feb, Vol.34, no.2, pp.203-10.

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