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Related Experiment Video

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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

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Published on: November 15, 2013

[Not Available].

Frédéric René¹, Lynn Casimiro, Manon Tremblay

¹Frédéric René, MIng : Professeur remplaçant, Programme de Physiothérapie, École des Sciences de la réadaptation, Université d'Ottawa, Ottawa, Ontario.

Physiotherapy Canada. Physiotherapie Canada

|March 2, 2012

Summary

This summary is machine-generated.

The French-Canadian Lower Extremity Functional Scale (EFMI) demonstrates excellent test-retest reliability and internal consistency. This study confirms the EFMI is a valid and reliable tool for assessing lower limb function in French-Canadian populations.

Keywords:

construct validity evaluation tool functional scale lower extremity reliability test-retest

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Area of Science:

Rehabilitation Medicine
Health Outcomes Measurement
Psychometrics

Background:

The Lower Extremity Functional Scale (LEFS) is a widely used patient-reported outcome measure.
A Canadian French translation, the Échelle fonctionnelle des membres inférieurs (EFMI), was developed in 2006.
The psychometric properties of the EFMI, including its validity and reliability, had not been previously established.

Purpose of the Study:

To evaluate the test-retest reliability of the EFMI.
To assess the internal consistency of the EFMI.
To examine the construct validity of the EFMI.

Main Methods:

Thirty-four participants with lower limb injuries or post-surgery completed the EFMI twice within 72 hours.
Test-retest reliability was assessed using the intra-class correlation coefficient (ICC) and kappa coefficient.
Internal consistency was measured using Cronbach's alpha, and construct validity was explored via factor analysis.

Main Results:

The EFMI demonstrated excellent test-retest reliability with an ICC of 0.92.
High internal consistency was found, with Cronbach's alpha at 0.95.
Factor analysis indicated that the EFMI is a unidimensional measure, with all items contributing to a single principal construct.

Conclusions:

The French-Canadian EFMI is a reliable and valid instrument for assessing lower extremity function.
The EFMI exhibits strong psychometric properties, supporting its use in clinical and research settings.
The findings confirm the EFMI's unidimensionality and excellent reliability for French-Canadian populations.