Citation

Elfering A, Cronenberg S, Grebner S, Tamcan O, Müller U. Int. J. Occup. Safety Ergonomics 2019; 25(1): 17-26.

Affiliation

c University of Bern , Institute for Evaluative Research in Orthopedic Surgery , Stauffacherstrasse 78, CH-3014 Bern, Switzerland.

Copyright

(Copyright © 2019, Centralny Instytut Ochrony Pracy - Państwowy Instytut Badawczy, Publisher Informa - Taylor and Francis Group)

DOI

10.1080/10803548.2017.1388621

PMID

29016244

Abstract

PURPOSE A newly developed questionnaire assessing limitations in activity of daily living (LADL-Q) that should improve assessment of LADL is tested in a large population-based validation study.

METHODS This was a paper based survey. Overall, 16634 individuals that were representative for the working population in German speaking part of Switzerland participated in the study. Item analysis was used the final version of the LADL-Q to four items per subscale that correspond to potential problems in three body regions (back and neck, upper extremities, lower extremities). Analysis included tests for reliability, internal consistency, dimensionality and convergent validity.

RESULTS Test-retest reliability coefficients after two weeks ranged from .82 to.99 (Mdn =.87), with no item having a coefficient below .60. The median item-total coefficients ranged between moderate and good. Correlation coefficients between LADL-Q-subscales and three validated clinical instruments (WOMAC, SPADI, Oswestry) ranged from.63 to.81. In structural equation modeling the three subscales were significantly related with two important outcomes in occupational rehabilitation: self-reported general health and daily task performance.

CONCLUSION The new LADL-Q is a brief, reliable and valid tool for assessment of LADL in studies on musculoskeletal health.

Language: en

Keywords

Short questionnaire; loco-motor system; musculoskeletal pain; occupational rehabilitation