Modelling Motorcycle-Related Head Injury Trends for Thailand Following the 100% Motorcycle Helmet Use Campaign Using
Keywords:
Poisson log-linear model, negative binomial log-linear model, count dataAbstract
The aim of this paper is to examine trends of motorcycle related head injuries in HRH Princess Maha Chakri Sirindhorn Medical Center, Nakhon Nayok province, Thailand, following the 100% Motorcycle Helmet Use campaign by using log-linear models. Since the injuries count data is overdispersion, the Poisson log-linear model is not reasonable. Consequently, the negative binomial log-linear model accounted for overdispersion is used, and it fits the data very well. The fitted model indicated the increasing trend of head injuries after the 100% Motorcycle Helmet Use campaign was lunched over the years 2011-2016. It is increasing at the rate 1.13% per month.
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Dunteman GH, Ho MR. An introduction to generalized linear models. California: Thoundsand Oaks, Sage Publications; 2006.
Hilbe J. Negative binomial regression, 2nd edition. New York: Cambridge University Press; 2011.
Hoffman J. Generalized linear models. Boston: Pearson Education Inc; 2004.
Ichikawa M, Chadbunchachai W, Marui E. Effect of the helmet act for motorcyclists in Thailand. Accid Anal Prev. 2003; 35: 183-189.
Jiwattanakulpaisarn P. Effectiveness of the 100% motorcycle helmet use campaign in Thailand. Inj Prev. 2012; 18: A1-A246.
Lawless JF. Negative binomial and mixed Poisson regression. Can J Stat. 1987; 15: 209-225.
McCullagh P, Nelder J. Generalized linear models, 2nd edition. London: Chapman & Hall; 1989.
Olivier J, Walter SR, Grzebieta, RH. Long term bicycle related head injury trends for New South Wales, Australia following mandatory helmet legislation. Accid Anal Prev. 2013; 50: 1128-34.
Phuenpathom N, Tiensuwan M, Ratanalert S, Saeheng S, Sripairojkul B. The changing pattern of head injury in Thailand. J Clin Neurosci. 2000; 7: 223-225.
ThaiRoads Foundation. Thailand Motorcycle Helmet Use 2010-2012. 2013 [cited 2017 Nov 15]. Available from: https://www.trso.thairoad.org/resources/5026.
Thairoads Foundation. Thailand Motorcycle Helmet Use 2016. 2016 [cited 2017 Nov 15]. Available from: https://www.thairoads.org/projects/4021.
Walter SR, Olivier J, Churches T, Grzebieta R. The impact of compulsory cycle helmet legislation on cyclist head injuries in New South Wales. Accid Anal Prev. 2011; 43: 2064-2071.
Wibulpolprasert S. Thailand Health Profile 1999-2000. Bangkok: Express Transportation Organization Publishing; 2002.
Wibulpolprasert S. Thailand Health Profile 2008-2010. Bangkok: Veteran Press; 2011.
World Health Organization. Global status report on road safety 2013: supporting a decade of action. 2013 [cited 2017 Nov 15]. Available from: https://www.iru.org/apps/cms-filesystem- action/policies/ sustainable_development/ road_safety/gsrrs_en.pdf
World Health Organization. Road safety in the south-east Asia region. 2015 [cited 2017 Nov 15]. Available from: https://www.who.int/violence_injury_prevention/ road_ safety_status/2015/ Road_Safety_SEAR_3_for_web.pdf
Zwilling ML. Negative binomial regression. Math J. 2013; 15: 1-18.
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Published
2018-12-27
How to Cite
Patummasut, M., Phewchean, N., & Sirirattanapa, J. (2018). Modelling Motorcycle-Related Head Injury Trends for Thailand Following the 100% Motorcycle Helmet Use Campaign Using. Thailand Statistician, 17(1), 30–40. Retrieved from https://ph02.tci-thaijo.org/index.php/thaistat/article/view/163183
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