Development and validation of the iDI: A short self-rating disability instrument for low back pain disorders

Rolli Salathé, Cornelia; Elfering, Achim; Tuschel, Alexander; Ogon, Michael; Mayer, H. Michael; Boos, Norbert (2017). Development and validation of the iDI: A short self-rating disability instrument for low back pain disorders. Global spine journal, 7(2), pp. 123-132. Sage 10.1177/2192568217694006

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Study Design: Cross-sectional and longitudinal validation study. Objective: Development and validation of a short, reliable, and valid questionnaire for the assessment of low back pain–related disability. Methods: The iDI was created in a stepwise procedure: (1) its development was based on the literature and theoretical consideration; (2) outcome data were collected and evaluated in a pilot study; (3) final validations were performed based on an international multicenter spine surgery outcome study including 514 patients; (4) the iDI was programmed for a tablet computer (iPad) and tested for its clinical practicability. Results: The final version of the iDI comprises of 8 simple questions related to different aspects of disability with a 5-point Likert-type answer scale. The iDI compared very well to the Oswestry Disability Index in terms of reliability and validity. The iDI was demonstrated to be suitable for data assessment on a tablet computer (iPad). Conclusions: The iDI is a short, valid, and practicable tool that facilitates routine quality assessment in terms of low back pain–related disability.

Item Type:

Journal Article (Original Article)

Division/Institute:

07 Faculty of Human Sciences > Institute of Psychology > Work and Organisational Psychology

UniBE Contributor:

Rolli Salathé, Cornelia and Elfering, Achim

Subjects:

100 Philosophy > 150 Psychology

ISSN:

2192-5690

Publisher:

Sage

Language:

English

Submitter:

Christine Soltermann

Date Deposited:

24 Apr 2018 16:04

Last Modified:

24 Apr 2018 16:04

Publisher DOI:

10.1177/2192568217694006

PubMed ID:

28507881

BORIS DOI:

10.7892/boris.113231

URI:

https://boris.unibe.ch/id/eprint/113231

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