Cross-cultural Adaptation of the Roland-Morris Disability Questionnaire for Individuals with Low Back Pain in Myanmar: Psychometric Validation Study

Main Article Content

Phyu Sin Oo
Akkradate Siriphorn
Praneet Pensri

Abstract

Introduction: Self-reported subjective measures are important for the assessment and treatment of low back pain (LBP) individuals. The Roland-Morris Disability Questionnaire is a widely used and validated questionnaire for measuring disability due to LBP. This study aimed to develop a cross-culturally adapted Myanmar version of the Roland-Morris Disability Questionnaire (M-RMDQ) and examine its reliability and validity in individuals with LBP.


Methods: The M-RMDQ was developed based on the established guidelines and underwent prefinal testing on 20 individuals with LBP resulting in minor adaptations. The adapted M-RMDQ was conducted on 99 individuals with LBP for internal consistency, test-retest reliability, ceiling and floor effects, and concurrent and construct validity.  Reliability was evaluated with Cronbach's alpha and intraclass correlation coefficient (ICC), while concurrent and construct validity were determined through correlations with the Myanmar version of the Oswestry Disability Questionnaire (M-ODQ), visual analog scale (VAS), back performance scale (BPS), and the Stark Quality of Life (QoL) questionnaire.


Results: The M-RMDQ had good internal consistency (Cronbach’s alpha = 0.70, n=99) and test-retest reliability (ICC2, 1 = 0.868; n=83). The M-RMDQ was moderately positive correlated with the M-ODQ (rho = 0.525; n=99) and showed a fair positive correlation with VAS (rho = 0.252; n=99) and BPS (rho = 0.265; n=99), and fair negative correlation with the physical component of the Stark QoL questionnaire (rho = - 0.323; n=99). No correlation was demonstrated with the mental component of the Stark QoL questionnaire (rho = - 0.179; n=99).


Conclusion: The M-RMDQ exhibited favorable psychometric properties, establishing it as a reliable and valid measure for assessing LBP-related disability in the Myanmar population. It is recommended for use in both clinical settings and research studies among Myanmar individuals with LBP.

Article Details

How to Cite
Phyu Sin Oo, Akkradate Siriphorn, & Praneet Pensri. (2023). Cross-cultural Adaptation of the Roland-Morris Disability Questionnaire for Individuals with Low Back Pain in Myanmar: Psychometric Validation Study. Journal of Health Science and Alternative Medicine, 5(03), 44–53. https://doi.org/10.14456/jhsam.2023.16
Section
Original Article
Author Biographies

Phyu Sin Oo, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

Akkradate Siriphorn, Associate Professor, Human Movement Performance Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

Associate Professor, Human Movement Performance Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

Praneet Pensri, Associate Professor, Human Movement Performance Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

Associate Professor, Human Movement Performance Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand, 10330.

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