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dc.contributor.authorAgramunt, Seraina
dc.contributor.authorMeuleners, Lynn
dc.contributor.authorChow, Kyle
dc.contributor.authorNg, J.
dc.contributor.authorMorlet, N.
dc.date.accessioned2017-01-30T15:03:03Z
dc.date.available2017-01-30T15:03:03Z
dc.date.created2017-01-10T19:30:18Z
dc.date.issued2016
dc.identifier.citationAgramunt, S. and Meuleners, L. and Chow, K. and Ng, J. and Morlet, N. 2016. A validation study comparing self-reported travel diaries and objective data obtained from in-vehicle monitoring devices in older drivers with bilateral cataract. Accident Analysis and Prevention. 106: pp. 492-497.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/42915
dc.identifier.doi10.1016/j.aap.2016.10.021
dc.description.abstract

Background: Advances in technology have made it possible to examine real-world driving using naturalistic data obtained from in-vehicle monitoring devices. These devices overcome the weaknesses of self-report methods and can provide comprehensive insights into driving exposure, habits and practices of older drivers. Aim: The aim of this study is to compare self-reported and objectively measured driving exposure, habits and practices using a travel diary and an in-vehicle driver monitoring device in older drivers with bilateral cataract. Methods: A cross-sectional study was undertaken. Forty seven participants aged 58-89 years old (mean. =74.1; S.D. =7.73) were recruited from three eye clinics over a one year period. Data collection consisted of a cognitive test, a researcher-administered questionnaire, a travel diary and an in-vehicle monitoring device. Participants' driving exposure and patterns were recorded for one week using in-vehicle monitoring devices. They also completed a travel diary each time they drove a motor vehicle as the driver. Paired t-tests were used to examine differences/agreement between the two instruments under different driving circumstances. Results: The data from the older drivers' travel diaries significantly underestimated the number of overall trips (p < 0.001), weekend trips (p. =0.002) and trips during peak hour (p. =0.004). The travel diaries also significantly overestimated overall driving duration (p. &lt;. 0.001) and weekend driving duration (p. =0.003), compared to the data obtained from the in-vehicle monitoring devices. No significant differences were found between instruments for kilometres travelled under any of the driving circumstances.Conclusions: The results of this study found that relying solely on self-reported travel diaries to assess driving outcomes may not be accurate, particularly for estimates of the number of trips made and duration of trips. The clear advantages of using in-vehicle monitoring devices over travel diaries to monitor driving habits and exposure among an older population are evident.

dc.publisherElsevier Ltd
dc.titleA validation study comparing self-reported travel diaries and objective data obtained from in-vehicle monitoring devices in older drivers with bilateral cataract
dc.typeJournal Article
dcterms.source.volume106
dcterms.source.startPage492
dcterms.source.endPage497
dcterms.source.issn0001-4575
dcterms.source.titleAccident Analysis and Prevention
curtin.accessStatusOpen access
curtin.facultyFaculty of Health Sciences


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