By contrast, Norway had the lowest prevalence of obesity in a single survey at just five per cent.

与之相反的是，挪威是单项调查中发胖几率最少的国家，仅为百分之五。

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The survey also found rural residents suffer a higher prevalence of mental disorders than urban residents.

调查中还发现，精神紊乱的发病率在农村要比在城市更高。

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We performed a secondary analysis of randomly selected participants in a community-based TB–HIV prevalence survey in Harare, Zimbabwe.

从参与津巴布韦哈拉雷开展的TB–HIV 流行情况社区调查的人当中随机选择了一些参与者，并对他们进行了二次分析。

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Meanwhile, Mississippi scored at or near the bottom on 11 of the 22 survey measures, showing a high prevalence of obesity, high rate of childhood poverty, low high school graduation rates, limited availability of primary care physicians and many preventable hospitalizations.

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"The Gambia established a National Eye care Programme following our prevalence survey of blindness and eye diseases in 1986, " said Dr Yakumba Kassama, the country's Health Minister.

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In a recent survey conducted by U.N. agencies, the prevalence of chronic malnutrition in children was 27.9% and acute malnutrition was 4%.

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