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Abstract
Introduction: Motorcycle as a means of transportation had increased tremendously in the past decade. Most of this increase has been due to the commercial commuting use of the motorcycles. The MRBQ has been validated among British motorcycle riders. We sought to determine its performance among Nigerian motorcycle riders.
Methods: We adapted the motorcycle rider behavioural questionnaire and administered it to a cohort of 500 commercial motorcyclists in Osogbo, Southwest Nigeria using two trained interviewers.
Results: All respondents were males. The mean age was 27 years (Range = 17-70) and the mean riding experience was 4.72 years (Range=1-19 years). Just 12 (2.4%) had formal training, 36 (7.4%) admitted to having riding license; but only 14 (2.8%) had it with them at the interview. 110 (22The performance of MRBQ in the Nigerian commercial motorcyclist populace is different from its performance among British riders. The paper will discuss possible ways in which findings from this study can help in formulating policies directed at reducing motorcycle crash rates and injuries%) had been
involved in a crash before while 124 (24.8%) had been involved in one to six traffic violations in the past. Using Principle Component Analysis (PCA) with varimax rotations, the five-factor structure of the original MRBQ condensed to four factors, which accounted for 32.5% of the variance. Factor 1 (control/safety) had 11 variables and accounted for 10.5% of the variance. Factor 2 (stunt) accounted for 8.6% and it comprised 5 stunt variables. Factor 3 (error) accounted for 8.0% of the variables and consisted of 4 error variables while factor 4 (seed/impatience) accounted for 5.4% and was
made-up of speed variables. Six variables did not load under any factor. GLM showed that speed/impatience, experience, alcohol use and motorcycle usage were the only significant predictors of crash liability.
Conclusions: The performance of MRBQ in the Nigerian commercial motorcyclist populace is different from its performance among British riders. The paper will discuss possible ways in which findings from this study can help in formulating policies directed at reducing motorcycle crash rates and injuries.
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