Motor vehicle accidents are the main cause of death and disability between 1 and 4 years of age. Since 1980 the Academy of Pediatrics has been promoting the correct use of car seats. The major reason that car seats are not fulfilling their full potential is their incorrect or lack of use. In order to evaluate parental knowledge about car seat use for children and their actual use in the population visiting HURRA, a survey was performed which demonstrated that only 57.6% of the parents interviewed had infant car seats and that only 83.3% of owners actually use it. As many as 94.4% had correct knowledge about car seat use, but the majority of correct information was not provided by the medical staff. The majority of parents use seat belts for their own protection but a significantly smaller percentage use car seats for their own children.
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Polymers (Basel)
December 2024
Dipartimento di Meccanica, Matematica e Management, Politecnico di Bari, 70100 Bari, Italy.
High volumetric shrinkage and rheological behavior of polypropylene (PP) are the main problems that make material extrusion (MEX) uncommon for this material. The complexity is raised when recycled materials are used. This research covered different aspects of the MEX process of virgin and recycled PP, from the analysis of rough materials to the mechanical evaluation of the final products.
View Article and Find Full Text PDFTraffic Inj Prev
December 2024
Injury Division, The George Institute for Global Health, Faculty of Medicine and Health, UNSW.
Objective: Incorrect use of child restraints is a long-standing issue, limiting the protection offered by child restraints in the event of a crash. Child restraint fitting services are a measure to reduce incorrect use but have limited reach and availability to underserved populations. Virtual child restraint fitting services have the potential to increase the reach and availability, but as with any digital intervention, need to be acceptable to users to be effective.
View Article and Find Full Text PDFShared autonomous vehicles (SAVs) can help older adults maintain mobility and independence throughout the later stages of life. However, research is critically needed to assess the design of SAV interior features and quantify potential mobility challenges for older populations. This paper presents a study that adopted a mixed-methods approach to evaluate the needs and perceptions of adults aged 65 years and older regarding interior features of SAVs during user enactment, and offers data-driven insights on task performance to inform design decisions.
View Article and Find Full Text PDFStapp Car Crash J
October 2024
Injury Biomechanics Research Center, The Ohio State University.
This study compared modern vehicle and booster geometries with relevant child anthropometries. Vehicle geometries (seat length, seat pan height, shoulder belt outlet height, and roof height) were obtained for 275 center and outboard rear seating positions of US vehicles (MY 2009-2022). Measurements of 85 US boosters (pan height and pan length) and anthropometries of 80 US children between 4-14yo (seated height, thigh length, leg length, and seated shoulder height) were also collected.
View Article and Find Full Text PDFSensors (Basel)
November 2024
School of Mechanical Engineering, Zhengzhou University of Science and Technology, Zhengzhou 450007, China.
As the market share of electric vehicles continues to rise, consumer demands for comfort within the vehicle interior have also increased. The noise generated by electric seats during operation has become one of the primary sources of in-cabin noise. However, the offline detection methods for electric seat noise severely limit production capacity.
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