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Reliability and validity of the finnish version of the neck disability index and the modified neck pain and disability scale.
Spine (Phila Pa 1976). 2010 Mar 01; 35(5):552-6.S

Abstract

STUDY DESIGN

Translation and psychometric testing.

OBJECTIVE

To cross-culturally adapt the Neck Disability Index (NDI) to the Finnish language and to assess the reliability and validity of the Finnish version of the Neck Disability Index (NDI-FI) and the modified Neck Pain and Disability Scale (mNPDS-FI) in Finnish patients with neck pain.

SUMMARY OF BACKGROUND DATA

Although largely used, no previous reports exist on the translation process or the testing of the psychometric properties of the Finnish version of the NDI or the mNPDS used in Finland.

METHODS

The translation of the questionnaire from English into Finnish was done in accordance with the published guidelines. A total of 101 patients with neck pain participated in the study. The reliability of the questionnaires was tested using a test-retest procedure at 2-week intervals. Further psychometric testing was done by assessing the construct validity and internal consistency of the questionnaires.

RESULTS

Test-retest reliability (intraclass correlation coefficients) was excellent for the NDI-FI (0.94) and mNPDS-FI (0.91). Factor analysis identified 1 factor for the NDI-FI and 3 factors for the mNPDS-FI; pain intensity, work ability, and activities of daily living. The internal consistency value (Cronbach alpha) for the NDI-FI was 0.85, and 0.84, 0.83, and 0.82, respectively, for the 3 factors of the mNPDS-FI. The correlation between neck pain and the NDI-FI was 0.58 (P < 0.001) and 0.72 for the mNPDS-FI (P < 0.001). A statistically significant linear relationship was observed between self-estimated coping and the outcomes of the NDI-FI and the mNPDS-FI.

CONCLUSION

The NDI-FI and the mNPDS-FI are reliable, valid instruments for assessing disability among Finnish patients with neck pain.

Authors+Show Affiliations

Department of Physical and Rehabilitation Medicine, Central Finland Health Care District, Jyväskylä, Finland. petri.k.salo@jyu.fiNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Validation Study

Language

eng

PubMed ID

20147882

Citation

Salo, Petri, et al. "Reliability and Validity of the Finnish Version of the Neck Disability Index and the Modified Neck Pain and Disability Scale." Spine, vol. 35, no. 5, 2010, pp. 552-6.
Salo P, Ylinen J, Kautiainen H, et al. Reliability and validity of the finnish version of the neck disability index and the modified neck pain and disability scale. Spine (Phila Pa 1976). 2010;35(5):552-6.
Salo, P., Ylinen, J., Kautiainen, H., Arkela-Kautiainen, M., & Häkkinen, A. (2010). Reliability and validity of the finnish version of the neck disability index and the modified neck pain and disability scale. Spine, 35(5), 552-6. https://doi.org/10.1097/BRS.0b013e3181b327ff
Salo P, et al. Reliability and Validity of the Finnish Version of the Neck Disability Index and the Modified Neck Pain and Disability Scale. Spine (Phila Pa 1976). 2010 Mar 1;35(5):552-6. PubMed PMID: 20147882.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Reliability and validity of the finnish version of the neck disability index and the modified neck pain and disability scale. AU - Salo,Petri, AU - Ylinen,Jari, AU - Kautiainen,Hannu, AU - Arkela-Kautiainen,Marja, AU - Häkkinen,Arja, PY - 2010/2/12/entrez PY - 2010/2/12/pubmed PY - 2010/5/26/medline SP - 552 EP - 6 JF - Spine JO - Spine (Phila Pa 1976) VL - 35 IS - 5 N2 - STUDY DESIGN: Translation and psychometric testing. OBJECTIVE: To cross-culturally adapt the Neck Disability Index (NDI) to the Finnish language and to assess the reliability and validity of the Finnish version of the Neck Disability Index (NDI-FI) and the modified Neck Pain and Disability Scale (mNPDS-FI) in Finnish patients with neck pain. SUMMARY OF BACKGROUND DATA: Although largely used, no previous reports exist on the translation process or the testing of the psychometric properties of the Finnish version of the NDI or the mNPDS used in Finland. METHODS: The translation of the questionnaire from English into Finnish was done in accordance with the published guidelines. A total of 101 patients with neck pain participated in the study. The reliability of the questionnaires was tested using a test-retest procedure at 2-week intervals. Further psychometric testing was done by assessing the construct validity and internal consistency of the questionnaires. RESULTS: Test-retest reliability (intraclass correlation coefficients) was excellent for the NDI-FI (0.94) and mNPDS-FI (0.91). Factor analysis identified 1 factor for the NDI-FI and 3 factors for the mNPDS-FI; pain intensity, work ability, and activities of daily living. The internal consistency value (Cronbach alpha) for the NDI-FI was 0.85, and 0.84, 0.83, and 0.82, respectively, for the 3 factors of the mNPDS-FI. The correlation between neck pain and the NDI-FI was 0.58 (P < 0.001) and 0.72 for the mNPDS-FI (P < 0.001). A statistically significant linear relationship was observed between self-estimated coping and the outcomes of the NDI-FI and the mNPDS-FI. CONCLUSION: The NDI-FI and the mNPDS-FI are reliable, valid instruments for assessing disability among Finnish patients with neck pain. SN - 1528-1159 UR - https://www.unboundmedicine.com/medline/citation/20147882/Reliability_and_validity_of_the_finnish_version_of_the_neck_disability_index_and_the_modified_neck_pain_and_disability_scale_ L2 - https://doi.org/10.1097/BRS.0b013e3181b327ff DB - PRIME DP - Unbound Medicine ER -