Towards an instrument targeting mobility-related participation: Nordic cross-national reliability

Brandt, Åse, Löfqvist, Charlotte, Jónsdottir, Inga, Sund, Terje, Salminen, Anna-Liisa, Werngren-Elgström, Monica and Iwarsson, Susanne (2008) Towards an instrument targeting mobility-related participation: Nordic cross-national reliability. Journal of Rehabilitation Medicine, 40 9: 766-772. doi:10.2340/16501977-0244

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Author Brandt, Åse
Löfqvist, Charlotte
Jónsdottir, Inga
Sund, Terje
Salminen, Anna-Liisa
Werngren-Elgström, Monica
Iwarsson, Susanne
Title Towards an instrument targeting mobility-related participation: Nordic cross-national reliability
Journal name Journal of Rehabilitation Medicine   Check publisher's open access policy
ISSN 1650-1977
Publication date 2008-10
Sub-type Article (original research)
DOI 10.2340/16501977-0244
Open Access Status File (Publisher version)
Volume 40
Issue 9
Start page 766
End page 772
Total pages 7
Place of publication Uppsala, Sweden
Publisher Stiftelsen Rehabiliteringsinformation / Foundation for Rehabilitation Information
Language eng
Formatted abstract
Objective: To investigate test-retest reliability and internal consistency of a new instrument for evaluation of mobility device interventions.

Material and methods: The instrument comprised 4 scales and one summed index. Two test-retest interviews involved 147 mobility device users (mean age 60 years) with a broad range of functional limitations, living at home.

Results: For 2 scales and the summed index the reliability was substantial or almost perfect (κ 0.71/κW 0.76/ intraclass correlation coefficient=0.93; confidence interval=0.90-0.95). The reliability of one scale was moderate (κW0.41), but after reduction of grades and combination with another scale, it was substantial (κW 0.66). The reliability of the fourth scale was moderate (κW 0.55). The internal consistency of 3 scales varied from a 0.63 to 0.76.

Conclusion: Even though the test-retest reliability of all but one of the scales of the new instrument was substantial to almost perfect, this study demonstrated that revision is required. The challenges identified were probably due to the highly complex relationship between outdoor participation while using mobility devices and accessibility to the outdoor physical environment. Thus, based on the results of this study the instrument will be revised and subsequently launched as the "Nordic mobility-related participation outcome evaluation of assistive device intervention" (NOMO instrument). More research on the concept of mobility-related participation and the psychometric qualities of the instrument is required. 
Keyword Assistive devices
Mobility limitation
Outcome assessment
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Nursing, Midwifery and Social Work Publications
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Citation counts: TR Web of Science Citation Count  Cited 4 times in Thomson Reuters Web of Science Article | Citations
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Created: Tue, 08 Jul 2014, 10:54:19 EST by Vicki Percival on behalf of School of Nursing, Midwifery and Social Work