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Sökning: WFRF:(Pereira G) > Luleå tekniska universitet

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  • Bentham, James, et al. (författare)
  • A century of trends in adult human height
  • 2016
  • Ingår i: eLIFE. - : eLife Sciences Publications Ltd. - 2050-084X. ; 5
  • Tidskriftsartikel (refereegranskat)abstract
    • Being taller is associated with enhanced longevity, and higher education and earnings. We reanalysed 1472 population-based studies, with measurement of height on more than 18.6 million participants to estimate mean height for people born between 1896 and 1996 in 200 countries. The largest gain in adult height over the past century has occurred in South Korean women and Iranian men, who became 20.2 cm (95% credible interval 17.5–22.7) and 16.5 cm (13.3– 19.7) taller, respectively. In contrast, there was little change in adult height in some sub-Saharan African countries and in South Asia over the century of analysis. The tallest people over these 100 years are men born in the Netherlands in the last quarter of 20th century, whose average heights surpassed 182.5 cm, and the shortest were women born in Guatemala in 1896 (140.3 cm; 135.8– 144.8). The height differential between the tallest and shortest populations was 19-20 cm a century ago, and has remained the same for women and increased for men a century later despite substantial changes in the ranking of countries.
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  • Füssl, Elisabeth, et al. (författare)
  • Riders acceptance of advanced rider assistance systems
  • 2012
  • Konferensbidrag (refereegranskat)abstract
    • The development of assistive systems and intelligent transport systems (ITS) plays an important role for improving the safety of powered two-wheelers (PTWs). Assistive systems for cars are well known and increasingly popular but for PTW riders the development of Advanced Rider Assistance Systems (ARAS) and On-Bike Information Systems (OBIS) has not progressed far enough yet. Estimates suggest that population-wide deployment of ARAS could reduce crashes by up to 40% (Lenné et al., 2011). Within the 2BESAFE project the factors that affect the acceptance of ARAS and OBIS of PTW riders and the obstacles that may hold PTW riders off from the use of assistive systems have been identified. A literature review, focus group interviews and an online survey have been conducted. The results show that the acceptability of systems depends on their function. The acceptability is higher for systems that were perceived to be more useful in emergencies. Survey respondents raised several concerns regarding the acceptance of assistive systems for PTWs. Respondents of the on-line survey felt that there was too much focus on assistive systems as a means of improving PTW rider safety, and less on the dangers that motorcyclists face actually from the actions of other road users.
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