French translation and validation of 3 functional disability scales for neck pain

doi:10.1053/apmr.2002.30623

Archives of Physical Medicine and Rehabilitation

Volume 83, Issue 3, March 2002, Pages 376-382

https://doi.org/10.1053/apmr.2002.30623 Get rights and content

Abstract

Wlodyka-Demaille S, Poiraudeau S, Catanzariti J-F, Rannou F, Fermanian J, Revel M. French translation and validation of 3 functional disability scale for neck pain. Arch Phys Med Rehabil 2002;83:376-82. Objective: To translate and assess the reliability and the construct validity of 3 functional disability scales for neck pain. Design: Reliability and validity study. Setting: Tertiary care teaching hospital and outpatient clinic. Participants: One hundred one patients (mean age, 49y). Intervention: French translations were obtained by using the “translation-backward translation” method. Adaptations were made after a pilot study. Main Outcome Measures: Impairment outcome measures (visual analog scale [VAS] pain, neck range of motion, morning stiffness, score of neck sensitivity, radiologic score of Kellgren) and patients' perceived handicap (VAS) were recorded at the baseline visit. Three functional disability scales (Neck Disability Index [NDI], Neck Pain and Disability Scale [NPDS], Northwick Park Neck Pain Questionnaire [NPQ]) were recorded twice, at baseline visit and 24 hours later. Reliability was assessed by using the intraclass correlation coefficient (ICC) and the Bland and Altman method. Construct (convergent and divergent) validity was investigated by using the Spearman rank correlation coefficient and a factor analysis was performed. Results: Test-retest was excellent for the NPDS and NDI (ICC =.91,.93, respectively) and good for the NPQ (ICC =.84). The Bland and Altman method showed no systematic trend. Expected convergent and divergent validity were observed only for the NPDS; 3 main factors were extracted by factor analysis and explained 78% of the cumulative variance. Conclusion: The 3 translated scales are valid, but the NPDS seems to have the best construct validity. © 2002 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation

Section snippets

Participants

Outpatients and inpatients, ages 18 to 70 years and having neck disorders for at least 15 days, were recruited from 1 rehabilitation department, 2 rheumatology departments, and an outpatient clinic. Patients were excluded for (1) arthritis (inflammatory diseases), (2) loco-regional tumor or metastasis, (3) myopathy, (4) inability to speak and read French fluently, (5) severe psychiatric disorders, (6) absence of cervical spine radiograph in the last 2 years, or (7) absence of oral consent.

Neck disability index

The

Participants

The results are described by using mean ± SD (minimum and maximum value). For the pilot study, 29 patients (19 women, 10 men) tested the 3 translated scales. Their mean age was 51.79 ± 10.39 years (range, 33–69y). Sixteen were employed, 6 were on sick leave, 6 were retired, and 1 was unemployed.

For the study, 101 patients (69 women, 32 men) completed the 3 scales from December 1999 to July 2000. Seventy patients (69.31%) were inpatients and outpatients in hospital departments, and 31 (30.69%)

Discussion

Our study describes successive steps in translating and adapting 3 algofunctional neck pain and disability scales into French and provides analysis of the psychometric properties of the translated scales. The 3 translated scales have acceptable construct validity and good repeatability. The NPDS seems to have a better factorial structure than the NPQ and NDI.

Clinicians need to assess regional disability to measure a patient's limitations and clinical course before they can propose or evaluate

Conclusion

The 3 scales translated into French are reliable and valid instruments for the assessment of pain and disability in neck disorders. The NPDS appears to have the best construct validity with a good factorial structure. These results have to be confirmed by sensitivity to change analysis. If they are, it will not be necessary to create a new French neck pain and disability scale. The translated French scales should be valuable for assessing the effectiveness of physical therapy, local treatment,

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ArticlesFrench translation and validation of 3 functional disability scales for neck pain☆,☆☆,★,★★

Abstract

Section snippets

Participants

Neck disability index

Participants

Discussion

Conclusion

Lancet

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

J Clin Epidemiol

Pain in neck, shoulder and arm

Br Med J

One-year predictive factors for various aspects of neck disorders

Spine

Manual therapy for mechanical neck disorders

Cochrane Library [CD-ROM]

The Neck Disability Index: a study of reliability and validity

J Manipulative Physiol Ther

The development of guideline factors for the evaluation of disability in neck and back injuries

Spine

Neck pain in the general population

Spine

Algies rachidiennes et radiculaires

Conservative management of mechanical neck pain: systematic overview and meta-analysis

Br Med J

Radiological assessment of osteoarthritis

Ann Rheum Dis

Echelles d'évaluation fonctionnelle

Methodological considerations in functional assessment

J Rheum

Psychometric properties of the Neck Disability Index

J Manipulative Physiol Ther

Development of the Neck Pain and Disability Scale: item analysis, face and criterion-related validity

Spine

Articles
French translation and validation of 3 functional disability scales for neck pain☆,☆☆,★,★★