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06.02.2019 | Original Contribution

German translation and psychometric properties of the modified Gait Efficacy Scale (mGES)

Zeitschrift für Gerontologie und Geriatrie
Dorothee Altmeier, Eleftheria Giannouli
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00391-019-01507-5) contains supplementary material, which is available to authorized users.



Perceived self-efficacy to complete a task affects function and behavior. The modified Gait Efficacy Scale (mGES) is a 10-item self-report questionnaire to assess confidence in walking under various circumstances.


The aim of this study was to adapt the mGES to a German version (mGES-D) and test its psychometric properties.

Material and methods

The final sample used for analysis consisted of 140 community-dwelling older adults with a mean age of 71 ± 6 years and 61% were female. Construct validity of the questionnaire was tested with Cronbach’s alpha. The test-retest reliability was calculated in a subsample of 31 after a 4–5 week period (33.4 ± 11 days). To test the validity three other mobility-related self-efficacy scales (Activities-Specific Balance Confidence, Falls Efficacy scale and the Stair Self-Efficacy questionnaire) as well as two performance-based measures (gait speed and the Four Square Step test) were used.


Both the internal consistency (T1 = 0.934, T2 = 0.958) as well as the test-retest reliability (0.932) were acceptable. Correlations between the mGES-D and the rest of the German mobility-related self-efficacy scales were above 0.758 and the performance-based mobility measures above 0.316.


The mGES-D is a reliable and valid measure of walking confidence among healthy, community-dwelling older adults. Further application and testing of the mGES-D in primary care and clinical studies are needed to consolidate the findings.

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Supplementary Table: Items comprising the German version of the mGES (mGES-D)
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