They did this by examining data from a national health survey that examined participants between 1971 and 1975, known as NHANES I, and from a follow-up survey years later.

他们从一个含有1971年至1975年的参与者的全国健康调查(即NHANES I，第一次全国健康和营养检查调查)和几年后随访调查中找寻数据。

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Online purchases are routinely followed up by a customer satisfaction survey.

网上购物之后通常会有一个客户满意度调查。

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Freshmen are showing up already stressed out, according to the latest research study that reported students' emotional health levels at their lowest since the survey started in 1985.

一项最新研究调查显示，新生们已经表现出压力很大了，该研究报告称目前学生的情绪健康水平处于1985年该调查开始以来的最低水平。

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While women and minorities make up two-thirds of the American workforce, they represent less than The survey cites poor schools, and lack of quality science and math programs, persistent negative stereotypes, financial cost and school and workplace bias.

VOA: standard.2010.03.26

And a follow-up survey of 754 people suggests users could struggle to spot when they were at risk.

BBC: Android apps 'leak' personal details

July's provisional take-up survey figures showed we are finally turning the corner - as all the experts accept, including Jamie Oliver.

BBC: School meal guidelines tightened

C. nearly three years ago reduced the number of plastic bags ending up in the nearby Anacostia River by 60 percent and caused three-quarters of residents to cut their use of disposable bags, according to a follow-up survey.

MSN: Reusable shopping bag measure advances