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12.02.2018 | Original contributions

German version of the Community Balance and Mobility Scale

Translation and evaluation of measurement properties

Zeitschrift:
Zeitschrift für Gerontologie und Geriatrie
Autoren:
Katharina Gordt, A. Stefanie Mikolaizak, Corinna Nerz, Carolin Barz, Thomas Gerhardy, Michaela Weber, Clemens Becker, Michael Schwenk
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00391-018-1374-z) contains supplementary material, among others the complete German translation, which is available to authorized users.

Abstract

Background

Tools to detect subtle balance deficits in high-functioning community-dwelling older adults are lacking. The Community Balance and Mobility Scale (CBM) is a valuable tool to measure balance deficits in this group; however, it is not yet available in the German language.

Objective

The aim was 1) to translate and cross-culturally adapt the CBM into the German language and 2) to investigate the measurement properties of the German CBM (G-CBM).

Material and methods

The original CBM was translated into the German language according to established guidelines. A total of 51 older adults (mean age 69.9 ± 7.1 years) were recruited to measure construct validity by comparing the G‑CBM against standardized balance and/or mobility assessments including the Fullerton Advanced Balance Scale (FAB), Berg Balance Scale (BBS), 3 m Tandem Walk (3MTW), 8 Level Balance Scale (8LBS), 30 s Chair Stand Test (30CST), Timed Up and Go (TUG) test, gait speed, and the Falls Efficacy Scale International (FES-I). Intrarater and interrater reliability and internal consistency reliability were estimated using intraclass correlations (ICC) and Cronbach’s alpha, respectively. Ceiling effects were calculated as the percentage of the sample scoring the maximum score.

Results

The G‑CBM correlated excellently with FAB and BBS (ρ = 0.78–0.85; P < 0.001), good with 3MTW, TUG, and FES-I (ρ = −0.55 to −0.61; P < 0.001), and moderately with 8LBS, 30CST, and habitual gait speed (ρ = 0.32–0.46; P < 0.001). Intrarater (ICC3,k = 0.998; P < 0.001) and interrater (ICC2,k = 0.996; P < 0.001) reliability, and internal consistency reliability (α = 0.998) were also high. The G‑CBM did not show ceiling effects.

Conclusion

The G‑CBM is a valid and reliable tool for measuring subtle balance deficits in older high-functioning adults. The absence of ceiling effects emphasizes the use of this scale in this cohort. The G‑CBM can now be utilized in clinical practice.

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Zeitschrift für Gerontologie und Geriatrie

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• Themenbezogene Hefte behandeln Fragen der Gerontologie, der Biologie und Grundlagenforschung des Alterns und der geriatrischen Forschung

• Erweitert mit Beiträgen zu Therapie, Psychologie und Soziologie sowie der praktischen Altenpflege.  

• Hot topics von Experten knapp, aussagekräftig und provokativ kommentiert

Zusatzmaterial
Appendix 1: List of comorbidities
391_2018_1374_MOESM1_ESM.docx
Appendix 2: Camera positions
391_2018_1374_MOESM2_ESM.docx
Appendix 3: German-Community Balance & Mobility Scale
391_2018_1374_MOESM3_ESM.pdf
Literatur
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