نتایج جستجو برای: secular demographic trend
تعداد نتایج: 234340 فیلتر نتایج به سال:
no studies have been reported on children obesity prevalence of guangzhou, one of the most urbanized areas in china. this study tracks the secular trends of obesity prevalence of children.the data were derived from the surveys on students' constitution and health carried out by government. randomly, 3832 students in 2007, 13141 in 2008, 14052 in 2009, 13750 in 2010, and 15225 in 2011, aged 7-12...
Growth and body height have always been interesting topics in the public opinion. Particularly the stupendous increase of some 15 to 19 cm in final adult height during the last 150 years in most European countries (the “secular trend”), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being r...
This paper is about the reasons why there is so rarely a strong association between the secular trend in real wages and mortality. We classify the reasons in several different categories: epidemiological, sociological, geographical, demographic, technologic, and economic. In addition, we offer some speculations on why there has been an expectation that such an association would exist. We sugges...
BACKGROUND The stepped wedge cluster randomised trial (SW-CRT) is increasingly being used to evaluate policy or service delivery interventions. However, there is a dearth of trials literature addressing analytical approaches to the SW-CRT. Perhaps as a result, a significant number of published trials have major methodological shortcomings, including failure to adjust for secular trends at the a...
This paper provides a review of the recent literature on some aspects of secular trends in Western countries. In particular, we discuss height variation, mainly on the basis of conscript data. There are still large height differences between European countries, and there is a marked trend for the tallest conscripts to be in northern Europe and the shortest ones in the southern part of the conti...
background: there is a variation in trends of oral cancers all over the world. many studies have reported evidence of increasing incidence in oral cancers during recent years. the purpose of this study was to investigate time trends and changes in demographic distribution of oral cancers incidence in isfahan during 1991-2010. materials and methods: in this retrospective analytic study, we colle...
OBJECTIVES We investigated the secular trend in white blood cell (WBC) count and the relationship between WBC count and mortality between 1958 and 2002. BACKGROUND The WBC count is a clinical marker of inflammation and a strong predictor of mortality. Limited data exist on the WBC count secular trend and the relationship between WBC and mortality. METHODS One thousand eighty-three women and...
The word “micro” or “mini” is increasingly appearing in relation to pilgrimage. A Guardian article December 2021 described a guided pilgrimage walk Sussex as “micro pilgrimage”; the spring of 2022, six pilgrimages” took place southern England. However, what micro pilgrimage, and has prompted its sudden surge popularity? This explores this seemingly innovative practice, focusing on Britain, wher...
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