Journal
CURRENT MEDICAL RESEARCH AND OPINION
Volume 38, Issue 6, Pages 963-969Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03007995.2022.2042973
Keywords
Pain assessment; pain intensity; NRS-11; young people; translation; Arabic; validity; reliability
Funding
- Spanish Ministry of Economy, Industry and Competitiveness [RTI2018-09870-B-I00, RED2018-102546-T]
- Spanish Ministry of Science and Innovation (MCIN/AEI) [PID2020-113869RA-I00]
- European Regional Development Fund (ERDF)
- Government of Catalonia (AGAUR) [2017SGR-1321]
- Fundacion Grunenthal
- ICREA-Academia
- Universitat Rovira I Virgili (PFR program)
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This study translated the 0-10 Numerical Rating Scale (NRS-11) into Arabic and examined its dimensionality, construct validity, and reliability. The results showed that the NRS-11-Arabic and VAS-Arabic scores measure the same construct, supporting its construct validity. The correlations between NRS-11-Arabic and PCS-Arabic were lower, indicating discriminant validity. Test-retest reliability was high, indicating the reliability of the NRS-11-Arabic scores. These findings provide preliminary evidence for the use of NRS-11-Arabic in clinical and research activities involving Arabic-speaking pediatric samples.
Objective The 0-10 Numerical Rating Scale (NRS-11) is widely used with Arabic-speaking pediatric populations. However, there is no data about its validity or reliability. Thus, the aims of this research were to translate the NRS-11 into Arabic and study its dimensionality and construct (convergent and discriminant) validity, and reliability. Methods A group of 190 Lebanese students between 8 and 18 years old participated. Participants were interviewed online and asked to imagine themselves in a hypothetical painful situation and rate the expected pain intensity using the NRS-11-Arabic and an Arabic version of the Visual Analogue Scale (VAS-Arabic). They were also requested to respond to the pediatric Arabic version of the Pain Catastrophizing Scale (PCS-Arabic). Data collection lasted for a month. Results Data showed that the NRS-11-Arabic and the VAS-Arabic scores measure the same common construct. In addition, they showed strong statistically significant correlations between NRS-11 and VAS (ranging from 0.83 for the whole sample and 0.83 and 0.84 for the 8-12-year-olds and the 13-18-year-olds, which support its construct validity). These correlations were higher than those between the NRS-11-Arabic and the PCS-Arabic, which support the discriminant validity of NRS-11-Arabic scores. Test-retest reliability was 0.86 for the whole sample, and 0.89 and 0.82 for the 8-12-year-olds and the 13-18-year-olds, respectively, which shows the reliability of the NRS-11-Arabic scores. Conclusions The data provide preliminary evidence of the unidimensionality, validity and reliability of the NRS-11-Arabic scores, thus supporting its use in clinical and research activities involving Arabic-speaking pediatric samples.
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