TY - JOUR
T1 - The Use of Self-Report Exposure Measures Among Novice Motorcyclists
T2 - Appropriateness and Best Practice Recommendations
AU - Sakashita, Chika
AU - Senserrick, Teresa
AU - Boufous, Soufiane
AU - De Rome, Liz
AU - Elkington, Jane
AU - Ivers, Rebecca
PY - 2014
Y1 - 2014
N2 - Objectives: While self-report methods to collect exposure information have large practical advantages in many research contexts, little research has specifically investigated the reliability and validity of motorcyclists' self-reported exposure. The present study aimed to examine the reliability and validity of different self-report exposure measures and to provide recommendations on best practice self-report riding exposure questions. Methods: The reliability and validity of different self-report exposure measures were examined amongst novice motorcyclists through t-tests, Bland Altman plots, coefficients of variation, and correlations. Results: The most valid and reliable data was provided when riding exposure was asked for the current average week rather than earlier and longer periods, and in units of time rather than distance or number of trips. The greater reliability of riding exposure found amongst commuting and rural riders compared to recreational and metropolitan riders respectively and at the second interview compared to the first suggests that factors such as riding purposes, geographical locations, and riding experience can contribute to measurement error. Conclusions: If self-reported odometer readings are used, questions on whether the respondents share their own bike or ride more than one bike, and a built-in process to ensure respondents report the exact odometer reading on their bike are recommended. It is recommended that self-report riding exposure questions ask about the hours of riding for the current average week, and data on riding purposes, locations, and experience are also collected.
AB - Objectives: While self-report methods to collect exposure information have large practical advantages in many research contexts, little research has specifically investigated the reliability and validity of motorcyclists' self-reported exposure. The present study aimed to examine the reliability and validity of different self-report exposure measures and to provide recommendations on best practice self-report riding exposure questions. Methods: The reliability and validity of different self-report exposure measures were examined amongst novice motorcyclists through t-tests, Bland Altman plots, coefficients of variation, and correlations. Results: The most valid and reliable data was provided when riding exposure was asked for the current average week rather than earlier and longer periods, and in units of time rather than distance or number of trips. The greater reliability of riding exposure found amongst commuting and rural riders compared to recreational and metropolitan riders respectively and at the second interview compared to the first suggests that factors such as riding purposes, geographical locations, and riding experience can contribute to measurement error. Conclusions: If self-reported odometer readings are used, questions on whether the respondents share their own bike or ride more than one bike, and a built-in process to ensure respondents report the exact odometer reading on their bike are recommended. It is recommended that self-report riding exposure questions ask about the hours of riding for the current average week, and data on riding purposes, locations, and experience are also collected.
KW - exposure
KW - motorcycle
KW - reliability
KW - self-report
KW - validity
UR - http://www.scopus.com/inward/record.url?scp=84890282538&partnerID=8YFLogxK
U2 - 10.1080/15389588.2013.837576
DO - 10.1080/15389588.2013.837576
M3 - Article
C2 - 24678572
AN - SCOPUS:84890282538
SN - 1538-9588
VL - 15
SP - 491
EP - 500
JO - Traffic injury prevention
JF - Traffic injury prevention
IS - 5
ER -