Highlights Road safety agencies and health systems are globally assessed across 146 countries from 1994 to 2012. Two-stage least square regression with instrumental variables are applied. Road safety agencies have beneficial effects in the long run when targeting traffic injuries. Health systems have beneficial effects when targeting traffic fatalities.
Abstract Background Road safety policies (RSPs) have emerged worldwide. Yet, while an important group of RSPs have been regarded as necessary to reduce traffic crashes and their consequences, the impact of others remain inconclusive. To advance knowledge on this debate, this article focuses on the potential effects of two RSPs: i) road safety agencies (RSAs) and ii) health systems (HS). Methods and data sources Cross-sectional longitudinal data corresponding to 146 countries from 1994 to 2012 are analyzed using regression models to account for the endogeneity of RSA formation, including instrumental variable and fixed effects designs. A global dataset compiling information from multiple sources, including the World Bank, and the World Health Organization is built. Results RSAs are associated with a decrease of traffic injuries in the long-term. This trend is observed in Organisation for Economic Co-operation and Development (OECD) countries only. Potential data reporting differences between countries could not be accounted for, and therefore it is unclear whether the observation for non-OECD countries is due to an actual difference or due to these reporting differences. HSs decrease traffic fatalities by 5% (95% Confidence interval (CI) 3% to 7%). Across (OECD) countries, HS is not associated with traffic injury variation. Conclusion While some authors have theorised that RSA institutions may fail to reduce either traffic injuries or fatalities, our work however captured a long-term effect in RSAs performance when targeting traffic injury outcomes. That well-developed HSs have been effective in decreasing traffic fatalities, and ineffective in decreasing injuries, is consistent with the overall function that this type of policies fulfils. Results call for revisiting the specific mechanisms which explain why RSAs and HSs seem effective in decreasing different traffic outcomes.
Assessing the impact of road safety agencies and health systems in traffic outcomes across 146 countries, 1994–2012
2023-05-16
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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