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A domain-specific approach to characterizing falls efficacy post-stroke.

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    Summary
    This summary is machine-generated.

    Falls efficacy in stroke survivors, measured by the Activities-Specific Balance Confidence (ABC) scale, comprises distinct factors. These include anticipatory control, walking balance, and reactive balance, offering insights into balance confidence after stroke.

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    Area of Science:

    • Neuroscience
    • Rehabilitation Science
    • Psychometrics

    Background:

    • Falls efficacy is crucial for mobility and independence in individuals post-stroke.
    • The Activities-Specific Balance Confidence (ABC) scale is widely used to assess this construct.
    • Understanding the factor structure of the ABC scale in stroke populations is essential for targeted interventions.

    Purpose of the Study:

    • To determine if the Activities-Specific Balance Confidence (ABC) scale measures distinct factors in individuals with chronic stroke.
    • To investigate the underlying structure of falls efficacy as assessed by the ABC scale.

    Main Methods:

    • Cross-sectional analysis of pre-existing data from 248 community-dwelling adults with a history of stroke.
    • Confirmatory factor analysis was employed to test a hypothesized three-factor structure (anticipatory, walking, and reactive balance).
    • Goodness-of-Fit indices (RMSEA, CFI, TLI) were used to evaluate the model.

    Main Results:

    • The confirmatory factor analysis supported the hypothesized three-factor structure of the ABC scale.
    • Items related to anticipatory control, walking balance, and reactive balance loaded significantly as predicted.
    • One item (reaching while on a stool) showed potential multidimensionality, reflecting both anticipatory and reactive balance confidence.

    Conclusions:

    • The findings suggest that the ABC scale effectively measures three distinct subfactors of falls efficacy in chronic stroke survivors.
    • These subfactors align with anticipatory control, walking balance, and reactive balance domains.
    • This nuanced understanding can inform the development of more specific rehabilitation strategies to improve balance confidence and reduce fall risk.