Development of a new self-report assessment for senior drivers in Korea
AUTHORS
Seong-Youl Choi,Department of Occupational Therapy, Kwangju Women’s University
Jae Shin Lee,Department of Occupational Therapy, Konyang University
Su-Kyoung Kim,Department of Occupational Therapy, Konyang University
Tae-Hyun Cha,Department of Occupational Therapy, Konyang University
Doo-Han Yoo,Department of Occupational Therapy, Konyang University
Hee Kim,Department of Occupational Therapy, Konyang University
ABSTRACT
Background: This study developed a new self-report assessment for Korean elderly driver based on the Rasch model by collecting extant assessment items. Methods: For development, extant approved assessment items were collected, and 44 essential items were selected by the opinions of 33 elderly and driving experts. Using these items, data on a total of 339 elderly drivers were collected, and a Rasch analysis was performed to exclude nonconforming subjects and items, select an optimal scale, and verify reliability and validity. Results: As a result of Rasch analysis, 31 subjects were found to be nonconforming. Based on the data of 308 subjects, 6 items were found to be nonconforming, and a total of 38 items were selected. These items and elderly drivers were arranged in order of difficulty and ability based on the logit values of -2.43 to 1.84. Subject ability was arranged in order from logit values of -2.44 to 2.44, from which a subject ability conversion equation was completed. The 3-point optimal scale and sub- areas of “On-road, Coping, and Health” were established. Conclusions: Through this study, a new self-report assessment for elderly drivers in South Korea was developed; it was named the SAFE-DR (Self-Assessment Forecasting Elder’s Driving Risk)
KEYWORDS
Driving risk, Elderly, Rasch analysis, Self-assessment
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