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Cross-cultural adaptation and validation of the instrument Diabetes - 39 (D-39): brazilian version for type 2 diabetes mellitus patients - stage 1

DOI: 10.1590/S0104-11692009000500018

Keywords: quality of life, diabetes mellitus, type 2, validation studies.

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Abstract:

the study aimed to accomplish a cross-cultural adaptation of the "diabetes - 39 - d-39" instrument for brazil, to test the validity of the adapted version in a sample of type 2 diabetes mellitus patients and to describe the participants of the study, according to the scores obtained on the likert-type scale. the instrument adaptation process followed several steps: instrument translation; achievement of the consensus in portuguese; evaluation by an expert committee; back-translation; achievement of the consensus in english; comparison of the original and consensus versions in english; semantic analysis and pre-test of the portuguese version. results showed that the instrument items, in the first stage of cultural adaptation to portuguese, presented high internal consistency levels.

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