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J Res Med Sci. 2019 May 22;24:43. doi: 10.4103/jrms.JRMS_391_18. eCollection 2019.

Iranian version of Pelvic Girdle Questionnaire: Psychometric properties and cultural adaptation.

Author information

1
Students Research Committee, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2
Midwifery and Reproductive Health Research Center, School of Nursing and midwifery. Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3
Behavioral Sciences Research Center, Faculty of Nursing, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Abstract

Background:

The Pelvic Girdle Questionnaire (PGQ) is a tool designed to evaluate pain and disability in pregnant women with pelvic girdle pain (PGP). This study was conducted with the aim of translating and determining the psychometric properties of PGQ in pregnant women in Iran.

Materials and Methods:

The present methodological cross-sectional study was conducted on 150 pregnant women living in Tehran in 2017. The original English version of PGQ was translated into Persian version after the permission of the tool designer using the back-translation method. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) methods were used to determine the construct validity, as well as Cronbach's alpha and intraclass correlation coefficient (ICC) to determine the reliability of the questionnaire.

Results:

The results of factor analysis showed that the study of this scale consists of two extracted subscales as activities and symptoms. EFA and CFA confirmed two factors that determined 70.22% variance. Furthermore, findings showed that high internal consistency with Cronbach's alpha = 0.961, for the total score of instrument and for the factors, ranged from 0.87 to 0.91. Cronbach's alpha symptoms and activities and total were 0.91, 0.87, and 0.87, respectively. ICC of symptoms and activities and total was 0.91 (95% confidence interval [CI]: 0.88-0.93), 0.81 (95% CI: 0.66-0.92), and 0.83 (95% CI: 0.68-0.93), respectively.

Conclusion:

The Persian version of PGP, as a valid and reliable tool, has the potential for studying and evaluating the activity and symptoms of PGP in pregnant women in Iran.

KEYWORDS:

Pelvic girdle pain; psychometric; questionnaire

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