Prevalence, knowledge, attitude and practice of speeding in two districts in Kenya: Thika and Naivasha

Introduction: In Kenya, road traffic injuries (RTIs) had the second highest increase in disability-adjusted life years between 1990 and 2010, compared to other conditions. This study aims to determine the prevalence, knowledge, attitudes and practices for speeding in Thika and Naivasha districts in Kenya. Methods: Direct observations of vehicle speed were conducted at various times during the day and different days of the week on six roads selected based on a multi-stage sampling method in two districts to determine the prevalence of speeding. Roadside KAP interviews were administered to drivers, at motorcycle bays, petrol stations, and rest areas. Results: Eight rounds of speed observations and four rounds of KAP interviews were conducted between July 2010 and November 2012. Results from the speeding observational studies show an overall high proportion of vehicles speeding above posted limits in both districts, with an average of 46.8% in Thika and 40.2% in Naivasha. Trend analysis revealed a greater decline in this prevalence in Thika (OR: 0.804, 95% CI: 0.793–0.814) than in Naivasha (OR: 0.932, 95% CI: 0.919–0.945) over the study period. On average, 58.8% of speeding vehicles in Thika and 57.2% of speeding vehicles in Naivasha traveled at 10 km/h or higher above speed limit. While the majority of respondents agreed that speeding is a cause of road traffic crashes in both Thika (70.3%) and Naivasha (68.7%), knowledge of speed limits at the location of the interview was limited. Enforcement levels also remained low, but subsequent rounds of data collection showed improvement, especially in Thika. Conclusions: This study demonstrates an improvement in the prevalence of speeding in two districts of Kenya over 2010–2012. It also highlights the need for further action to be taken to address the problem, and represents new data on speeding in Kenya and Africa.


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  • Accession Number: 01526914
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 9 2014 1:00PM