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Quality of Life Research

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01-08-2010 | Brief Communication

Cross-cultural adaptation and validation of a Brazilian Portuguese version of the chronic pain grade

Auteurs: Eduardo S. B. Bracher, Ricardo Pietrobon, José Eluf-Neto

Gepubliceerd in: Quality of Life Research | Uitgave 6/2010

Abstract

Purpose

To verify the reliability and validity of a Brazilian Portuguese version of the chronic pain grade (CPG-Br).

Methods

Cultural adaptation was made in accordance with established guidelines, with modifications aiming at improving this process. Adaptations were made based on interviews with 45 chronic pain patients from São Paulo city. Validation was studied by concurrent application of the short-form-36 health survey (SF-36) and other questionnaires to 283 participants with chronic pain from the general population. Temporal stability was verified by a second application to 131 individuals.

Results

Factor analysis resulted in a two-factor solution with factors named characteristic pain intensity and activity limitation due to pain. Alpha coefficients of 0.78 and 0.70 and intraclass correlation coefficients of 0.76 and 0.72 for each factor indicated good internal consistency and temporal stability. Significant correlations between CPG-Br and SF-36, Roland-Morris disability questionnaire and neck disability index scores were noted. A consistent linear trend was also observed between pain grades and SF-36 scores. Frequency of use of pain medications and of pain-related medical visits increased with pain grade.

Conclusion

This Brazilian Portuguese version of the chronic pain grade, tested on a sample of the Brazilian population, demonstrated good reliability and validity.

vorige artikel Needs assessments can identify scores on HRQOL questionnaires that represent problems for patients: an illustration with the Supportive Care Needs Survey and the QLQ-C30

volgende artikel Discriminative capacity of the EQ-5D, SF-6D, and SF-12 as measures of health status in population health survey

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Titel: Cross-cultural adaptation and validation of a Brazilian Portuguese version of the chronic pain grade
Auteurs: Eduardo S. B. Bracher
Ricardo Pietrobon
José Eluf-Neto
Publicatiedatum: 01-08-2010
Uitgeverij: Springer Netherlands
Gepubliceerd in: Quality of Life Research / Uitgave 6/2010
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-010-9637-1

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Conclusion

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