横断面研究(cross-sectional study)是通过对特定时点和特定范围内人群中的疾病或健康状况和有关因素的分布状况的资料收集、描述，从而为进一步的研究提供病因线索。它是描述流行病学中应用最为广泛的方法。
横断面研究
网络释义专业释义
现况调查（prevalence survey）又称横断面研究（cross-sectional study）是一种较为常用的描述性流行病学调查方法，是其他流行病学研究的基础和出发点，也是进行公共卫生决策的立足点之一，在流行病学方...
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studies）与横断面研究（cross-sectional studies）是相对于时间过程而言。纵向研究是先施加干预然后观察结果，如临床试验；或者是先得到观察结果再分析导致研究的原因，如某病治疗...
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...大学生；横断面研究 [gap=2009]Key words】 awareness of suicide; suicide attitude; undergraduates; cross-sectional survey ...
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双语例句原声例句
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设计：以诊断为依据、社区为基础的横断面研究。
DESIGN: a cross-sectional study according to the diagnosis and on the basis of community.
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我们在巴西圣保罗恩布进行了横断面研究，即家庭滥用体罚多国调查的巴西调查部分。
We conducted a cross-sectional study in Embu, São Paulo, Brazil, as the Brazilian component of a multicountry survey on abuse in the family environment.
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目的：通过大样本横断面研究，初步探讨睡眠时间、身体活动水平和肥胖的关系。
Objective To investigate the relation of sleep duration and physical activity (PA) level to obesity.
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It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.
这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况
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Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.
那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人
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