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Vol. 23. Issue 2.
Pages 132-139 (01 March 2019)
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Vol. 23. Issue 2.
Pages 132-139 (01 March 2019)
Original Research
DOI: 10.1016/j.bjpt.2018.11.003
Cross-cultural adaptation of the Pelvic Girdle Questionnaire (PGQ) into Brazilian Portuguese and clinimetric testing of the PGQ and Roland Morris questionnaire in pregnancy pelvic pain
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Francine Mendonça de Luna Fagundes, Cristina Maria Nunes Cabral
Corresponding author
cristina.cabral@unicid.edu.br

Corresponding author at: Programa de Mestrado e Doutorado em Fisioterapia, Universidade Cidade de São Paulo, Rua Cesário Galeno 448/475, CEP 03071-000 Tatuapé, São Paulo, SP, Brazil.
Masters and Doctoral Programs in Physical Therapy, Universidade Cidade de São Paulo (UNICID), São Paulo, SP, Brazil
Highlights

  • PGQ-Br has adequate measurement properties, including a moderate responsiveness.

  • The use of PGQ-Br is preferable to evaluate pelvic pain during pregnancy.

  • The overall impairment of pregnant women is evaluated by the total score of PGQ-Br.

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Tables (4)
Table 1. Description of the stages of translation and cross-cultural adaptation and test of measurement properties.15,24
Table 2. Characteristics of the study participants.
Table 3. Results of the cross-cultural adaptation of the PGQ.
Table 4. Measurement properties of the Brazilian Portuguese version of Pelvic Girdle Questionnaire and Roland Morris Disability Questionnaire.
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Abstract
Objective

To translate and cross-culturally adapt the Pelvic Girdle Questionnaire (PGQ) into Brazilian Portuguese and test the measurement properties of the PGQ and the Roland Morris Disability Questionnaire (RMDQ) in women with pelvic pain during pregnancy.

Methods

Thirty pregnant women were included in the assessment of the pre-test of the final version of the PGQ and 100 were included in the assessment of the measurement properties. In the initial assessment, the PGQ, RMDQ, pain numerical rating scale, and WHOQOL-BREF were applied to test the internal consistency and construct validity. In the 48-hour assessment, only the PGQ and RMDQ were applied to test reliability and measurement error; in the reassessment after one month, the PGQ, RMDQ, and global perceived effect scale were applied to evaluate responsiveness.

Results

The PGQ showed adequate internal consistency (Cronbach's alpha=0.83), substantial reliability (ICC2,1=0.85), very good measurement error (5%), and good responsiveness (r=−0.62). We also observed good correlation with disability and quality of life in the physical health domain, moderate correlation with pain and quality of life in the psychological domain, and poor correlation with quality of life in the domains social relationships and environment. The RMDQ showed adequate internal consistency (Cronbach's alpha=0.80), substantial reliability (ICC2,1=0.76), good measurement error (9%), moderate responsiveness (r=−0.51), moderate correlation with quality of life in the physical health and psychological domains, and weak correlation with pain and quality of life in the social relationships and environment domains.

Conclusion

The Brazilian Portuguese version of the PGQ showed superior measurement properties compared to the RMDQ, being a valid, reliable, and responsive instrument for assessing patients with pelvic pain during pregnancy.

Keywords:
Rehabilitation
Questionnaires
Reproducibility
Reliability
Pelvic pain
Pregnancy

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