相对危险度(RR)是队列研究中反映暴露与发病(死亡)关联强度的指标.下列说法哪一个是

题型:单项选择题

问题:

相对危险度(RR)是队列研究中反映暴露与发病(死亡)关联强度的指标.下列说法哪一个是正确的()

A.RR95%可信区间(CI)的上限>1,认为暴露与疾病呈“正”关联,即暴露因素是疾病的危险因素

B.RR95%CI的下限<1,认为暴露与疾病呈“负”关联,即暴露因素是保护因素

C.RR95%CI的下限>1,认为暴露与疾病呈“负”关联,即暴露因素是保护因素

D.RR95%CI包括1,则认为暴露因素与疾病有统计学联系

E.RR95%CI包括1,则认为暴露因素与疾病无统计学联系

考点:卫生管理(医学高级)流行病学流行病学题库
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tend; get into; appoint; glance through; result in; go up;

abuse; exchange; try out; adopt

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小题2:Prices of vegetables in that area __________ 50 per cent since it was badly hit by floods.

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小题7:The mayor was accused of _________ his power to offer jobs to his relatives instead of those who were qualified.

小题8:The medical team was kept busy _______ the wounded with the lack of doctors.

小题9:Don’t let children _______ bad habits which might be difficult to get rid of.

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