Results from population surveys in ten countries showed more than 60% of HIV-positive people did not know their HIV status.

在十个国家所作的人口调查结果显示，超过60%的艾滋病毒阳性者并不了解其艾滋病毒状况。

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Some of the surveys included only college students; others were done with a mixed-age population.

有些调查只包括了大学生群体；其他的则针对各个年龄段的人群。

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Censuses and surveys can be used to estimate population Numbers, but do not provide information on causes of death.

可通过普查和调查来估算人口数量，但这无法提供死亡原因信息。

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In their Pediatrics paper, MacMillan and co-authors say that 8% to 9% of women and 4% of men reported severe psychological abuse in childhood when the question was posed in general-population surveys of the U.S. and Britain.

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The Kaiser Poll surveys the adult population.

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Dr Boerma reviewed the results of population-based general-health surveys similar to Kenya's that were carried out in Zambia and Mali, and also a study based on saliva samples that was carried out in South Africa.

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