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Rothman L, Hagel BE, Howard AW, Schwartz N, Cloutier MS, Macpherson AK. Is higher school neighbourhood Walk Score associated with greater child pedestrian safety near schools? Inj Prev 2023; 29:363-366. [PMID: 37336630 DOI: 10.1136/ip-2023-044922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Walk Score is a common index used to estimate how suitable the built environment is for walking. Although Walk Score has been extensively validated as a measure of walkability and walking, there are limited studies examining whether commonly used constructs of walkability are associated with traffic safety in children. This study examined the association between Walk Score and child pedestrian injury controlling for observed walking exposure in school zones in Calgary, Toronto and Montreal, Canada. Results indicate that a higher Walk Score was associated with more child pedestrian injuries in all three cities, even after controlling for walking exposure. School travel planning should consider established individual pedestrian collision risk and individual factors rather than assuming a highly walkable environment is also a safe pedestrian environment.
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Affiliation(s)
- Linda Rothman
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, Ontario, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Brent E Hagel
- Department of Paediatrics, Univ of Calgary, Calgary, Alberta, Canada
| | | | - Naomi Schwartz
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Marie Soleil Cloutier
- Centre Urbanisation Culture Société, Institut national de la recherche scientifique, Quebec City, Quebec, Canada
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Fridman L, Ling R, Rothman L, Cloutier MS, Macarthur C, Hagel B, Howard A. Effect of reducing the posted speed limit to 30 km per hour on pedestrian motor vehicle collisions in Toronto, Canada - a quasi experimental, pre-post study. BMC Public Health 2020; 20:56. [PMID: 32036789 PMCID: PMC7008529 DOI: 10.1186/s12889-019-8139-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 12/30/2019] [Indexed: 01/08/2023] Open
Abstract
Background Pedestrian related deaths have recently been on the rise in Canada. The effect of changing posted speeds on the frequency and severity of pedestrian motor vehicle collisions (PMVC) is not well studied using controlled quasi-experimental designs. The objective of this study was to examine the effect of lowering speed limits from 40 km/h to 30 km/h on PMVC on local roads in Toronto, Canada. Methods A 30 km/h speed limit on local roads in Toronto was implemented between January 2015 and December 2016. Streets that remained at a 40 km/h speed limit throughout the study period were selected as comparators. A quasi-experimental, pre-post study with a comparator group was used to evaluate the effect of the intervention on PMVC rates before and after the speed limit change using repeated measures Poisson regression. PMVC data were obtained from police reports for a minimum of two years pre- and post-intervention (2013 to 2018). Results Speed limit reductions from 40 km/h to 30 km/h were associated with a 28% decrease in the PMVC incidence rate in the City of Toronto (IRR = 0.72, 95% CI: 0.58–0.89). A non-significant 7% decrease in PMVC incidence rates were observed on comparator streets that remained at 40 km/h speed limits (IRR = 0.93, 95% CI: 0.70–1.25). Speed limit reduction also influenced injury severity, with a significant 67% decrease in major and fatal injuries in the post intervention period on streets with speed limit reductions (IRR = 0.33, 95% CI: 0.13–0.85) compared with a 31% not statistically significant decrease in major and fatal injuries on comparator streets (IRR = 0.69, 95% CI: 0.37–1.31). The interaction term for group and pre-post comparisons was not statistically significant (p = 0.14) indicating that there was no evidence to suggest a pre-post difference in IRRs between the intervention and comparator streets. Conclusions Declines in the rate of PMVC were observed on roads with posted speed limit reductions from 40 km/h to 30 km/h, although this effect was not statistically greater than reductions on comparator streets.
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Affiliation(s)
- Liraz Fridman
- Departments of Paediatrics and Community Health Sciences, Cumming School of Medicine University of Calgary, Calgary, Alberta, Canada. .,Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada. .,O'Brien Institute for Public Health, Calgary, Alberta, Canada. .,Hospital for Sick Children Research Institute, Toronto, Ontario, Canada. .,Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 686 Bay St, Toronto, ON, M5G0A4, Canada.
| | - Rebecca Ling
- Hospital for Sick Children Research Institute, Toronto, Ontario, Canada
| | - Linda Rothman
- School of Occupational and Public Health, Ryerson University, Toronto, Ontario, Canada
| | | | - Colin Macarthur
- Hospital for Sick Children Research Institute, Toronto, Ontario, Canada
| | - Brent Hagel
- Departments of Paediatrics and Community Health Sciences, Cumming School of Medicine University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada.,O'Brien Institute for Public Health, Calgary, Alberta, Canada.,Sport Injury Prevention Research Centre, Faculty of Kinesiology, Calgary, Alberta, Canada
| | - Andrew Howard
- Hospital for Sick Children Research Institute, Toronto, Ontario, Canada
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