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21.
Effect of weight,height and BMI on injury outcome in side impact crashes without airbag deployment 总被引:1,自引:0,他引:1
Chinmoy Pal Okabe Tomosaburo K. Vimalathithan M. Jeyabharath M. Muthukumar N. Satheesh S. Narahari 《Accident; analysis and prevention》2014
A comprehensive analysis is performed to evaluate the effect of weight, height and body mass index (BMI) of occupants on side impact injuries at different body regions. The accident dataset for this study is based on the National Automotive Sampling System-Crashworthiness Data System (NASS-CDS) for accident year 2000–08. The mean BMI values for driver and front passenger are estimated from all types of crashes using NASS database, which clearly indicates that mean BMI has been increasing over the years in the USA. To study the effect of BMI in side impact injuries, BMI was split into three groups namely (1) thin (BMI < 21), (2) normal (BMI 24–27), (3) obese (BMI > 30). For more clear identification of the effect of BMI in side impact injuries, a minimum gap of three BMI is set in between each adjacent BMI groups. Car model years from MY1995–1999 to MY2000–2008 are chosen in order to identify the degree of influence of older and newer generation of cars in side impact injuries. Impact locations particularly side-front (F), side-center (P) and side-distributed (Y) are chosen for this analysis. Direction of force (DOF) considered for both near side and far side occupants are 8 o’clock, 9 o’clock, 10 o’clock and 2 o’clock, 3 o’clock and 4 o’clock respectively. Age <60 years is also one of the constraints imposed on data selection to minimize the effect of bone strength on the occurrence of occupant injuries. AIS2+ and AIS3+ injury risk in all body regions have been plotted for the selected three BMI groups of occupant, delta-V 0–60 kmph, two sets (old and new) of car model years. The analysis is carried with three approaches: (a) injury risk percentage based on simple graphical method with respect to a single variable, (b) injury distribution method where the injuries are marked on the respective anatomical locations and (c) logistic regression, a statistical method, considers all the related variables together. Lower extremity injury risk appears to be high for thin BMI group. It is found that BMI does not have much influence on head injuries but it is influenced more by the height of the occupant. Results of logistic analysis suggest that BMI, height and weight may have significant contribution towards side impact injuries across different body regions. 相似文献
22.
本文基于上海延吉社区1.7万多人的调查结果,从统计的角度出发,分性别、年龄讨论了BMI与两种富裕性疾病患病率之间的关系。 相似文献
23.
电子富集物改性双马来酰亚胺的研究 总被引:1,自引:0,他引:1
通过对双马来酰亚胺(BMI)晶体结构的探讨。研究了电子富集物B对其溶解性的影响,得出电子富集物B与BMI形成电子复合物的结论。并用IR测试结果加以说明,同时对含不同二胺量的树脂体系用TG测试法进行了热稳定性分析,得出有意义的结论。 相似文献
24.
端氨基亚胺齐聚物改性BMI固化特征及粘度特性 总被引:3,自引:0,他引:3
采用旋转粘度仪和动态DSC技术分析研究了端氨基亚胺齐聚物改性BMI树脂的固化反应过程和粘度特性。其结果表明,树脂在130℃-195℃之间存在一个宽广的低粘度平台区;固化反应过程中的吸热和放热的共同作用使得固化反应仅有一个平缓的放热峰,固化反应为1.02级反应,反应活化能为107kJ/mol。 相似文献
25.
Hampson Sarah E.; Goldberg Lewis R.; Vogt Thomas M.; Dubanoski Joan P. 《Canadian Metallurgical Quarterly》2006,25(1):57
A life span health-behavior model was investigated in this longitudinal study of personality influences on health. Teachers assessed 963 elementary schoolchildren on traits that formed scales assessing the dimensions of the five-factor (Big Five) model of personality. Smoking, alcohol use, body mass index (BMI), and self-rated health were assessed 40 years later in midlife. Childhood personality traits were significantly associated with all 4 outcomes, and the effects were consistently larger for women than men. For men and women, childhood Conscientiousness was associated with less adult smoking and better adult self-rated health and, for women only, with lower adult BMI. Mediation analyses suggested that the effects of Conscientiousness on self-rated health were partially mediated by smoking and BMI. These findings add to the growing evidence that childhood personality traits predict adult health outcomes and are discussed in terms of future testing of the life span health-behavior model. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
26.
27.
PES改性低温固化双马树脂固化动力学研究 总被引:1,自引:1,他引:0
以聚醚砜(PES)作为双马树脂(BMI)的增韧剂,以3,3′-二烯丙基双酚A(DP)作为改性剂,采用非等温DSC(差示扫描量热)法,研究了PES改性低温固化BMI/DP体系的固化反应动力学。结果表明:根据Kissinger方程、Crane方程和n级动力学模型计算出BMI/DP体系的固化动力学方程为dα/dt=2.1×10~(11)(1-α)~(1.07)e×p(-13.89×10~3/T);采用红外光谱(FT-IR)法跟踪固化反应过程,确定了BMI/DP体系的固化工艺为"130℃/3 h→140℃/1h→160℃/2 h→180℃/2 h"。 相似文献
28.
淮安市老年人饮食调查 总被引:2,自引:0,他引:2
目的:探讨老年人膳食与营养状况的相关性及营养状况评价方法和评价标准的适用性,为老年人营养状况评价方法研究及评价标准制定提供基础资料,并为该地区老年人饮食及营养状况改善的方案制定提供参考依据;方法:问卷调查法,体质指数法;结果:该地区人群一日三餐固定,膳食搭配不合理。食物种类单一,老年人群体质指数BMI不标准的占多数。结论:老年人膳食结构不合理,很多具有丰富营养价值食物的摄入频率较低,其营养改善工作值得关注。 相似文献
29.
Integrating research on human body shapes with studies of health cues in food package design, this research explores how food packages resembling humanoid shapes impact consumers’ evaluation of food healthiness. Adopting a self-referencing perspective, two studies show that packages resembling slim humanoid shapes lead to foods being evaluated as healthier, especially with female consumers whose bodily characteristics mark them as being not thin. Study 1 uses packages designed to mimic humanoid body shapes and shows that slimness effects depend on consumer gender and body mass index (BMI): The heuristic that slim packages contain more healthy foods is more pronounced with women and increasing BMI. Study 2 replicates these findings and offers process evidence for self-referencing as a mediator of the package slimness – healthiness evaluation. Together the findings highlight package shape as an important cue to food healthiness evaluation and aid marketers and designers in better matching packages to target audiences and products. 相似文献
30.