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Test-retest reliability of touchscreen DriveSafe DriveAware.

Belinda J Johnston1, Joan M O'Donnell2, Maurizio Manuguerra3

  • 1Department of Clinical Medicine, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW, Australia.

Australian Occupational Therapy Journal
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The touchscreen DriveSafe DriveAware (DSDA) tool shows good test-retest reliability for classification and DriveAware scores in adults. DriveSafe scores may have an initial learning effect, especially in older adults.

Keywords:
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Area of Science:

  • Neurology
  • Gerontology
  • Human Factors Engineering

Background:

  • Assessing cognitive fitness to drive is crucial for patient safety and independence.
  • The DriveSafe DriveAware (DSDA) is a touchscreen tool designed to evaluate driving-related cognitive functions.
  • Establishing the reliability of assessment tools is a prerequisite for their clinical application.

Purpose of the Study:

  • To determine the test-retest reliability of the touchscreen DriveSafe DriveAware (DSDA) tool.
  • To evaluate the reliability across different age groups, including older adults.
  • To lay the groundwork for future studies assessing DSDA's utility in neurorehabilitation.

Main Methods:

  • Prospective study involving 39 Australian adults with driver's licenses.
  • DSDA assessments were repeated at 6 weeks, 6 months, and 12 months.
  • Analysis included DSDA classification, DriveSafe, and DriveAware subtest scores, stratified by age.

Main Results:

  • DSDA classification and DriveAware scores demonstrated consistent test-retest reliability across all participants and age groups.
  • DriveSafe scores showed an initial increase between the first two tests (p=.006), suggesting a potential learning effect.
  • Older participants (70+ years) exhibited a more pronounced increase in DriveSafe scores initially, possibly due to unfamiliarity with the technology.

Conclusions:

  • DSDA classification and DriveAware scores are reliable for repeated measures in adults.
  • DriveSafe scores indicate potential test-retest reliability after an initial period, possibly influenced by a learning effect.
  • Further research is needed to validate DSDA in populations with cognitive impairment and its role in monitoring driving fitness post-neurosurgery.