Mortality due to traffic accidents, before and after the reduction of the average speed of motor vehicles in the city of São Paulo, Brazil, from 2010 to 2016
DOI:
https://doi.org/10.7322/jhgd.157755Keywords:
accidents traffic, mortality, underlying cause of death, motor vehicles, epidemiologyAbstract
Introduction: Traffic accidents represent a relevant global public health problem and are associated with behavioral factors, vehicle maintenance, urban space precariousness and traffic surveillance. They are important causes of morbidity and mortality due to the increasing number of vehicles and changes in lifestyle and risk behaviors in the general population.
Objective: To analyze mortality numbers due to land transport accidents reported in the city of São Paulo, Brazil, before and after the decline of average speed of motor vehicles.
Methods: A study of temporal series was carried out using official database provided by the Sistema de Informação sobre Mortalidade. Data was collected according to the type of occurrence and place of residence in São Paulo, SP, Brazil. Other sources of data were Death Certificates. Population data was collected by the foundation SEADE for the other years used, and data from 2010 was collected by the Instituto Brasileiro de Geografia e Estatística do Brasil (IBGE), the Brazilian institute of geography and statistics. More death data has been collected using the tenth review of the WHO International Classification of Diseases (V00- V89) for overall population and were stratified in age groups (<10 years, 10-19 years, 20-49 years, 50 years and more), city (São Paulo) and the year timetable (2010, 2011, 2012, 2013, 2014, 2015 and 2016). The data was calculated based on plain death rate and standardized, for gender and age group. The measures of mortality were used for the construction of temporal series by the regression model of Prais-Winsten. All the analysis were made through the statistics program Stata 14.0.
Results: Reportedly, 7288 deaths occurred due to land accidents in São Paulo, the state’s capital, between 2010 and 2016. The higher proportion of deaths happened between men with age between 20-49 years, brownish skin color, marital status single, between 4 e 7 years of study. 72.55% of deaths happened within of hospitals and/or other health establishments. The deaths ranged 1.200 in 2010 and went down to 779 in 2016. The standard mortality for transport accidents between 2010 and 2016 fluctuated from 10.04 to 6.29 for every 100 thousand inhabitants.
Conclusion: There was a decrease in deaths related to traffic accidents in individuals over 20 years of age. After the reduction of the average speed of motor vehicles in the city of São Paulo, the decline in mortality due to traffic accidents was more pronounced among individuals aged 50 years or older, with significant differences for men and women.
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