Base de dados : MEDLINE
Pesquisa : M01.665 [Categoria DeCS]
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[PMID]:28453031
[Au] Autor:Segura-Contreras JF; Franco JF
[Ad] Endereço:Universidad de los Andes, Bogotá, Colombia.
[Ti] Título:[Pedestrian exposure to air pollution on routes with heavy vehicular traffic].
[Ti] Título:Exposición de peatones a la contaminación del aire en vías con alto tráfico vehicular..
[So] Source:Rev Salud Publica (Bogota);18(2):179-187, 2016 Apr.
[Is] ISSN:0124-0064
[Cp] País de publicação:Colombia
[La] Idioma:spa
[Ab] Resumo:Objective This pilot study aimed to characterize pedestrians' exposure to air pollution alongside three routes with high traffic in Bogota, Colombia (ninth avenue, eleventh avenue and seventh avenue). Method Black carbon (BC) was used as an air quality indicator since it is recognized as a tracer compound for emissions from mobile sources. The concentrations of BC were recorded continuously with a portable Micro Aethalometer Model AE51. The instrument was carried by the people doing the 1.5 kilometer-long routes, while they filled in an activity form that recorded the events occurring during the walk. Results A direct (observed) relationship between BC concentration peaks and documented events at each route was found. Although BC concentrations at all three studied corridors indicate an inadequate air quality, different concentration distributions were found for each route. The authors attribute this result to the difference in the volume of heavy traffic (mainly buses and minibuses). Eleventh Avenue was the route with the greatest flow of such vehicles and higher concentrations of BC. Conclusion The collected evidence reinforces the importance of involving air quality as a critical variable when designing non-motorized transport oriented infrastructure.
[Mh] Termos MeSH primário: Poluentes Atmosféricos/análise
Exposição Ambiental/estatística & dados numéricos
Material Particulado/análise
Pedestres/estatística & dados numéricos
Emissões de Veículos/análise
[Mh] Termos MeSH secundário: Poluição do Ar
Carbono/análise
Cidades/estatística & dados numéricos
Colômbia
Monitoramento Ambiental
Seres Humanos
Projetos Piloto
Fatores de Tempo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Air Pollutants); 0 (Particulate Matter); 0 (Vehicle Emissions); 7440-44-0 (Carbon)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180215
[Lr] Data última revisão:
180215
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE


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[PMID]:28605251
[Au] Autor:Toran Pour A; Moridpour S; Tay R; Rajabifard A
[Ad] Endereço:a School of Engineering, Civil, Environmental and Chemical Engineering Disciplines , RMIT University , Melbourne , Australia.
[Ti] Título:Influence of pedestrian age and gender on spatial and temporal distribution of pedestrian crashes.
[So] Source:Traffic Inj Prev;19(1):81-87, 2018 01 02.
[Is] ISSN:1538-957X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: Every year, about 1.24 million people are killed in traffic crashes worldwide and more than 22% of these deaths are pedestrians. Therefore, pedestrian safety has become a significant traffic safety issue worldwide. In order to develop effective and targeted safety programs, the location- and time-specific influences on vehicle-pedestrian crashes must be assessed. The main purpose of this research is to explore the influence of pedestrian age and gender on the temporal and spatial distribution of vehicle-pedestrian crashes to identify the hotspots and hot times. METHODS: Data for all vehicle-pedestrian crashes on public roadways in the Melbourne metropolitan area from 2004 to 2013 are used in this research. Spatial autocorrelation is applied in examining the vehicle-pedestrian crashes in geographic information systems (GIS) to identify any dependency between time and location of these crashes. Spider plots and kernel density estimation (KDE) are then used to determine the temporal and spatial patterns of vehicle-pedestrian crashes for different age groups and genders. RESULTS: Temporal analysis shows that pedestrian age has a significant influence on the temporal distribution of vehicle-pedestrian crashes. Furthermore, men and women have different crash patterns. In addition, results of the spatial analysis shows that areas with high risk of vehicle-pedestrian crashes can vary during different times of the day for different age groups and genders. For example, for those between ages 18 and 65, most vehicle-pedestrian crashes occur in the central business district (CBD) during the day, but between 7:00 p.m. and 6:00 a.m., crashes among this age group occur mostly around hotels, clubs, and bars. CONCLUSIONS: This research reveals that temporal and spatial distributions of vehicle-pedestrian crashes vary for different pedestrian age groups and genders. Therefore, specific safety measures should be in place during high crash times at different locations for different age groups and genders to increase the effectiveness of the countermeasures in preventing and reducing vehicle-pedestrian crashes.
[Mh] Termos MeSH primário: Acidentes de Trânsito/estatística & dados numéricos
Pedestres/estatística & dados numéricos
[Mh] Termos MeSH secundário: Adolescente
Adulto
Fatores Etários
Idoso
Criança
Feminino
Seres Humanos
Masculino
Meia-Idade
Fatores Sexuais
Análise Espaço-Temporal
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180202
[Lr] Data última revisão:
180202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170613
[St] Status:MEDLINE
[do] DOI:10.1080/15389588.2017.1341630


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[PMID]:28557669
[Au] Autor:Martin JL; Wu D
[Ad] Endereço:a Univ Lyon, Université Lyon 1, IFSTTAR, UMRESTTE UMR_T 9405 , Lyon , France.
[Ti] Título:Pedestrian fatality and impact speed squared: Cloglog modeling from French national data.
[So] Source:Traffic Inj Prev;19(1):94-101, 2018 01 02.
[Is] ISSN:1538-957X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: The present study estimates pedestrians' risk of death according to impact speed when hit by a passenger car in a frontal collision. METHODS: Data were coded for all fatal crashes in France in 2011 and for a random sample of 1/20th of all road injuries for the same year and weighted to take into account police underreporting of mild injury. A cloglog model was used to optimize risk adjustment for high collision speeds. The fit of the model on the data was also improved by using the square of the impact speed, which best matches the energy dissipated in the collision. RESULTS: Modeling clearly demonstrated that the risk of death was very close to 1 when impact speeds exceeded 80 km/h. For speeds less than 40 km/h, because data representative of all crashes resulting in injury were used, the estimated risk of death was fairly low. However, although the curve seemed deceptively flat below 50 km/h, the risk of death in fact rose 2-fold between 30 and 40 km/h and 6-fold between 30 and 50 km/h. For any given speed, the risk of death was much higher for more elderly subjects, especially those over 75 years of age. These results concern frontal crashes involving a passenger car. Collisions involving trucks are far less frequent, but half result in the pedestrian being run over, incurring greater mortality. CONCLUSIONS: For impact speeds below 60 km/h, the shape of the curve relating probability of death to impact speed was very similar to those reported in recent rigorous studies. For higher impact speeds, the present model allows the curve to rise ever more steeply, giving a much better fit to observed data. The present results confirm that, when a pedestrian is struck by a car, impact speed is a major risk factor, thus providing a supplementary argument for strict speed limits in areas where pedestrians are highly exposed.
[Mh] Termos MeSH primário: Aceleração
Acidentes de Trânsito/mortalidade
Acidentes de Trânsito/estatística & dados numéricos
Pedestres
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Criança
Pré-Escolar
Bases de Dados Factuais
Feminino
França/epidemiologia
Seres Humanos
Lactente
Recém-Nascido
Masculino
Meia-Idade
Modelos Estatísticos
Polícia
Medição de Risco/métodos
Fatores de Risco
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180202
[Lr] Data última revisão:
180202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170531
[St] Status:MEDLINE
[do] DOI:10.1080/15389588.2017.1332408


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[PMID]:28534647
[Au] Autor:Prato CG; Kaplan S; Patrier A; Rasmussen TK
[Ad] Endereço:a School of Civil Engineering , The University of Queensland , St. Lucia , Brisbane , Australia.
[Ti] Título:Considering built environment and spatial correlation in modeling pedestrian injury severity.
[So] Source:Traffic Inj Prev;19(1):88-93, 2018 01 02.
[Is] ISSN:1538-957X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: This study looks at mitigating and aggravating factors that are associated with the injury severity of pedestrians when they have crashes with another road user and overcomes existing limitations in the literature by focusing attention on the built environment and considering spatial correlation across crashes. METHOD: Reports for 6,539 pedestrian crashes occurred in Denmark between 2006 and 2015 were merged with geographic information system resources containing detailed information about the built environment and exposure at the crash locations. A linearized spatial logit model estimated the probability of pedestrians sustaining a severe or fatal injury conditional on the occurrence of a crash with another road user. RESULTS: This study confirms previous findings about older pedestrians and intoxicated pedestrians being the most vulnerable road users and crashes with heavy vehicles and in roads with higher speed limits being related to the most severe outcomes. This study provides novel perspectives by showing positive spatial correlations of crashes with the same severity outcomes and emphasizing the role of the built environment in the proximity of the crash. CONCLUSIONS: This study emphasizes the need for thinking about traffic calming measures, illumination solutions, road maintenance programs, and speed limit reductions. Moreover, this study emphasizes the role of the built environment, because shopping areas, residential areas, and walking traffic density are positively related to a reduction in pedestrian injury severity. Often, these areas have in common a larger pedestrian mass that is more likely to make other road users more aware and attentive, whereas the same does not seem to apply to areas with lower pedestrian density.
[Mh] Termos MeSH primário: Acidentes de Trânsito/estatística & dados numéricos
Planejamento Ambiental/estatística & dados numéricos
Pedestres
Índices de Gravidade do Trauma
Ferimentos e Lesões/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Criança
Dinamarca/epidemiologia
Feminino
Seres Humanos
Modelos Logísticos
Masculino
Meia-Idade
Pedestres/psicologia
Pedestres/estatística & dados numéricos
Análise Espacial
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180202
[Lr] Data última revisão:
180202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170524
[St] Status:MEDLINE
[do] DOI:10.1080/15389588.2017.1329535


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[PMID]:28459283
[Au] Autor:Moran D; Bose D; Bhalla K
[Ad] Endereço:a Johns Hopkins Bloomberg School of Public Health , Baltimore , Maryland.
[Ti] Título:Impact of improving vehicle front design on the burden of pedestrian injuries in Germany, the United States, and India.
[So] Source:Traffic Inj Prev;18(8):832-838, 2017 11 17.
[Is] ISSN:1538-957X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: European car design regulations and New Car Assessment Program (NCAP) ratings have led to reductions in pedestrian injuries. The aim of this study was to evaluate the impact of improving vehicle front design on mortality and morbidity due to pedestrian injuries in a European country (Germany) and 2 countries (the United States and India) that do not have pedestrian-focused NCAP testing or design regulations. METHODS: We used data from the International Road Traffic and Accident Database and the Global Burden of Disease project to estimate baseline pedestrian deaths and nonfatal injuries in each country in 2013. The effect of improved passenger car star ratings on probability of pedestrian injury was based on recent evaluations of pedestrian crash data from Germany. The effect of improved heavy motor vehicle (HMV) front end design on pedestrian injuries was based on estimates reported by simulation studies. We used burden of disease methods to estimate population health loss by combining the burden of morbidity and mortality in disability-adjusted life years (DALYs) lost. RESULTS: Extrapolating from evaluations in Germany suggests that improving front end design of cars can potentially reduce the burden of pedestrian injuries due to cars by up to 24% in the United States and 41% in India. In Germany, where cars comply with the United Nations regulation on pedestrian safety, additional improvements would have led to a 1% reduction. Similarly, improved HMV design would reduce DALYs lost by pedestrian victims hit by HMVs by 20% in each country. Overall, improved vehicle design would reduce DALYs lost to road traffic injuries (RTIs) by 0.8% in Germany, 4.1% in the United States, and 6.7% in India. CONCLUSIONS: Recent evaluations show a strong correlation between Euro NCAP pedestrian scores and real-life pedestrian injuries, suggesting that improved car front end design in Europe has led to substantial reductions in pedestrian injuries. Although the United States has fewer pedestrian crashes, it would nevertheless benefit substantially by adopting similar regulations and instituting pedestrian NCAP testing. The maximum benefit would be realized in low- and middle-income countries like India that have a high proportion of pedestrian crashes. Though crash avoidance technologies are being developed to protect pedestrians, supplemental protection through design regulations may significantly improve injury countermeasures for vulnerable road users.
[Mh] Termos MeSH primário: Acidentes de Trânsito/estatística & dados numéricos
Veículos Automotores/legislação & jurisprudência
Pedestres
Ferimentos e Lesões/prevenção & controle
[Mh] Termos MeSH secundário: Bases de Dados Factuais
Desenho de Equipamento
Feminino
Alemanha/epidemiologia
Seres Humanos
Índia/epidemiologia
Masculino
Veículos Automotores/estatística & dados numéricos
Avaliação de Programas e Projetos de Saúde
Estados Unidos/epidemiologia
Ferimentos e Lesões/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180202
[Lr] Data última revisão:
180202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170502
[St] Status:MEDLINE
[do] DOI:10.1080/15389588.2017.1324200


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[PMID]:29190750
[Au] Autor:Zheng T; Qu W; Ge Y; Sun X; Zhang K
[Ad] Endereço:CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China.
[Ti] Título:The joint effect of personality traits and perceived stress on pedestrian behavior in a Chinese sample.
[So] Source:PLoS One;12(11):e0188153, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:While improper pedestrian behavior has become an important factor related to road traffic fatalities, especially in developing countries, the effects of personality traits and/or stress on pedestrian behavior have been rarely reported. The current study explored the joint effects of five personality traits (i.e., extraversion, openness, neuroticism, normlessness and altruism) and global perceived stress (measured with the Perceived Stress Scale-10) on pedestrian behavior (measured with the Pedestrian Behavior Scale) in 311 Chinese individuals. Results showed that altruism, neuroticism and openness significantly affected different pedestrian behavior dimensions, while global perceived stress also significantly and positively predicted positive behavior. Moreover, the effect of neuroticism on positive behavior was fully mediated by stress. Some explanations and implications are provided in the discussion section.
[Mh] Termos MeSH primário: Pedestres
Personalidade
Estresse Psicológico
[Mh] Termos MeSH secundário: Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171226
[Lr] Data última revisão:
171226
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0188153


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[PMID]:28854221
[Au] Autor:Shahhoseini Z; Sarvi M
[Ad] Endereço:Centre for Disaster Management and Public Safety, School of Engineering, The University of Melbourne, Australia.
[Ti] Título:Collective movements of pedestrians: How we can learn from simple experiments with non-human (ant) crowds.
[So] Source:PLoS One;12(8):e0182913, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: Understanding collective behavior of moving organisms and how interactions between individuals govern their collective motion has triggered a growing number of studies. Similarities have been observed between the scale-free behavioral aspects of various systems (i.e. groups of fish, ants, and mammals). Investigation of such connections between the collective motion of non-human organisms and that of humans however, has been relatively scarce. The problem demands for particular attention in the context of emergency escape motion for which innovative experimentation with panicking ants has been recently employed as a relatively inexpensive and non-invasive approach. However, little empirical evidence has been provided as to the relevance and reliability of this approach as a model of human behaviour. METHODS: This study explores pioneer experiments of emergency escape to tackle this question and to connect two forms of experimental observations that investigate the collective movement at macroscopic level. A large number of experiments with human and panicking ants are conducted representing the escape behavior of these systems in crowded spaces. The experiments share similar architectural structures in which two streams of crowd flow merge with one another. Measures such as discharge flow rates and the probability distribution of passage headways are extracted and compared between the two systems. FINDINGS: Our findings displayed an unexpected degree of similarity between the collective patterns emerged from both observation types, particularly based on aggregate measures. Experiments with ants and humans commonly indicated how significantly the efficiency of motion and the rate of discharge depend on the architectural design of the movement environment. PRACTICAL APPLICATIONS: Our findings contribute to the accumulation of evidence needed to identify the boarders of applicability of experimentation with crowds of non-human entities as models of human collective motion as well as the level of measurements (i.e. macroscopic or microscopic) and the type of contexts at which reliable inferences can be drawn. This particularly has implications in the context of experimenting evacuation behaviour for which recruiting human subjects may face ethical restrictions. The findings, at minimum, offer promise as to the potential benefit of piloting such experiments with non-human crowds, thereby forming better-informed hypotheses.
[Mh] Termos MeSH primário: Formigas/fisiologia
Aglomeração/psicologia
Reação de Fuga/fisiologia
Pânico/fisiologia
Pedestres/psicologia
[Mh] Termos MeSH secundário: Animais
Seres Humanos
Modelos Biológicos
Modelos Psicológicos
Movimento/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171016
[Lr] Data última revisão:
171016
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170831
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0182913


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[PMID]:28759587
[Au] Autor:Eggenberger P; Tomovic S; Münzer T; de Bruin ED
[Ad] Endereço:Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.
[Ti] Título:Older adults must hurry at pedestrian lights! A cross-sectional analysis of preferred and fast walking speed under single- and dual-task conditions.
[So] Source:PLoS One;12(7):e0182180, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Slow walking speed is strongly associated with adverse health outcomes, including cognitive impairment, in the older population. Moreover, adequate walking speed is crucial to maintain older pedestrians' mobility and safety in urban areas. This study aimed to identify the proportion of Swiss older adults that didn't reach 1.2 m/s, which reflects the requirements to cross streets within the green-yellow phase of pedestrian lights, when walking fast under cognitive challenge. A convenience sample, including 120 older women (65%) and men, was recruited from the community (88%) and from senior residences and divided into groups of 70-79 years (n = 59, 74.8 ± 0.4 y; mean ± SD) and ≥80 years (n = 61, 85.5 ± 0.5 y). Steady state walking speed was assessed under single- and dual-task conditions at preferred and fast walking speed. Additionally, functional lower extremity strength (5-chair-rises test), subjective health rating, and retrospective estimates of fall frequency were recorded. Results showed that 35.6% of the younger and 73.8% of the older participants were not able to walk faster than 1.2 m/s under the fast dual-task walking condition. Fast dual-task walking speed was higher compared to the preferred speed single- and dual-task conditions (all p < .05, r = .31 to .48). Average preferred single-task walking speed was 1.19 ± 0.24 m/s (70-79 y) and 0.94 ± 0.27 m/s (≥80 y), respectively, and correlated with performance in the 5-chair-rises test (rs = -.49, p < .001), subjective health (τ = .27, p < .001), and fall frequency (τ = -.23, p = .002). We conclude that the fitness status of many older people is inadequate to safely cross streets at pedestrian lights and maintain mobility in the community's daily life in urban areas. Consequently, training measures to improve the older population's cognitive and physical fitness should be promoted to enhance walking speed and safety of older pedestrians.
[Mh] Termos MeSH primário: Envelhecimento/fisiologia
Pedestres
Desempenho Psicomotor
Caminhada/fisiologia
[Mh] Termos MeSH secundário: Aceleração
Acidentes de Trânsito/prevenção & controle
Idoso
Idoso de 80 Anos ou mais
Fenômenos Biomecânicos
Feminino
Seres Humanos
Masculino
Veículos Automotores
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170928
[Lr] Data última revisão:
170928
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170801
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0182180


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[PMID]:28719606
[Au] Autor:Née M; Avalos M; Luxcey A; Contrand B; Salmi LR; Fourrier-Réglat A; Gadegbeku B; Lagarde E; Orriols L
[Ad] Endereço:Institut de Santé Publique, d'Epidémiologie et de Développement (ISPED), Université de Bordeaux, Bordeaux, France.
[Ti] Título:Prescription medicine use by pedestrians and the risk of injurious road traffic crashes: A case-crossover study.
[So] Source:PLoS Med;14(7):e1002347, 2017 Jul.
[Is] ISSN:1549-1676
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: While some medicinal drugs have been found to affect driving ability, no study has investigated whether a relationship exists between these medicines and crashes involving pedestrians. The aim of this study was to explore the association between the use of medicinal drugs and the risk of being involved in a road traffic crash as a pedestrian. METHODS AND FINDINGS: Data from 3 French nationwide databases were matched. We used the case-crossover design to control for time-invariant factors by using each case as its own control. To perform multivariable analysis and limit false-positive results, we implemented a bootstrap version of Lasso. To avoid the effect of unmeasured time-varying factors, we varied the length of the washout period from 30 to 119 days before the crash. The matching procedure led to the inclusion of 16,458 pedestrians involved in an injurious road traffic crash from 1 July 2005 to 31 December 2011. We found 48 medicine classes with a positive association with the risk of crash, with median odds ratios ranging from 1.12 to 2.98. Among these, benzodiazepines and benzodiazepine-related drugs, antihistamines, and anti-inflammatory and antirheumatic drugs were among the 10 medicines most consumed by the 16,458 pedestrians. Study limitations included slight overrepresentation of pedestrians injured in more severe crashes, lack of information about self-medication and the use of over-the-counter drugs, and lack of data on amount of walking. CONCLUSIONS: Therapeutic classes already identified as impacting the ability to drive, such as benzodiazepines and antihistamines, are also associated with an increased risk of pedestrians being involved in a road traffic crash. This study on pedestrians highlights the necessity of improving awareness of the effect of these medicines on this category of road user.
[Mh] Termos MeSH primário: Acidentes de Trânsito/estatística & dados numéricos
Pedestres/estatística & dados numéricos
Medicamentos sob Prescrição
[Mh] Termos MeSH secundário: Acidentes de Trânsito/classificação
Adolescente
Adulto
Idoso
Estudos Cross-Over
Bases de Dados Factuais
Feminino
França
Seres Humanos
Masculino
Meia-Idade
Fatores de Risco
Caminhada
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Prescription Drugs)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170817
[Lr] Data última revisão:
170817
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170719
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pmed.1002347


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[PMID]:28715429
[Au] Autor:Liu M; Zeng W; Chen P; Wu X
[Ad] Endereço:Shenzhen Institute of Standards and Technology, Futian District, Shenzhen, P.R., China.
[Ti] Título:A microscopic simulation model for pedestrian-pedestrian and pedestrian-vehicle interactions at crosswalks.
[So] Source:PLoS One;12(7):e0180992, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:This study aims to develop a microscopic pedestrian behavior model considering various interactions on pedestrian dynamics at crosswalks. Particularly, we take into account the evasion behavior with counter-flow pedestrians, the following behavior with leader pedestrians, and the collision avoidance behavior with vehicles. Aerial video data at one intersection in Beijing, China are extracted for model calibration. A microscopic calibration approach based on maximum likelihood estimation is applied to estimate the parameters of a modified social force model. Finally, we validate step-wise speed, step-wise acceleration, step-wise direction change, crossing time and lane formation phenomenon by comparing the real data and simulation outputs.
[Mh] Termos MeSH primário: Automóveis
Modelos Teóricos
Pedestres
[Mh] Termos MeSH secundário: Condução de Veículo
Planejamento Ambiental
Seres Humanos
Funções Verossimilhança
Caminhada
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170927
[Lr] Data última revisão:
170927
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170718
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0180992



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