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Working too much may increase risk of depression

时间：2012-01-30 07:04:14

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 　　WASHINGTON, Jan. 25 (Xinhua) -- The odds1 of a major depressive episode are more than double for those working 11 or more hours a day compared to those working seven to eight hours a day, according to a report published Wednesday in the online journal PLoS ONE.

　　The authors, led by Marianna Virtanen of the Finnish Institute of Occupational Health and University College London, followed about 2,000 middle aged2 British civil servants and found a robust3 association between overtime4 work and depression.
　　This correlation5 was not affected6 when the analysis was adjusted for various possible confounders, including socio-demographics, lifestyle, and work-related factors.
　　There have been a number of previous studies on the subject, with varying results, but the researchers emphasize that it is hard to compare results across these studies because the cut-off for "overtime" work has not been standardized7.
　　"Although occasionally working overtime may have benefits for the individual and society, it is important to recognize that working excessive hours is also associated with an increased risk of major depression", Virtanen said in a statement.

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1 odds n5czT     
n.让步，机率，可能性，比率；胜败优劣之别
参考例句：
  • The odds are 5 to 1 that she will win.她获胜的机会是五比一。
  • Do you know the odds of winning the lottery once?你知道赢得一次彩票的几率多大吗？
2 aged 6zWzdI     
adj.年老的，陈年的
参考例句：
  • He had put on weight and aged a little.他胖了，也老点了。
  • He is aged,but his memory is still good.他已年老，然而记忆力还好。
3 robust FXvx7     
adj.强壮的，强健的，粗野的，需要体力的，浓的
参考例句：
  • She is too tall and robust.她个子太高，身体太壮。
  • China wants to keep growth robust to reduce poverty and avoid job losses,AP commented.美联社评论道，中国希望保持经济强势增长，以减少贫困和失业状况。
4 overtime aKqxn     
adj.超时的，加班的；adv.加班地
参考例句：
  • They are working overtime to finish the work.为了完成任务他们正在加班加点地工作。
  • He was paid for the overtime he worked.他领到了加班费。
5 correlation Rogzg     
n.相互关系，相关，关连
参考例句：
  • The second group of measurements had a high correlation with the first.第二组测量数据与第一组高度相关。
  • A high correlation exists in America between education and economic position.教育和经济地位在美国有极密切的关系。
6 affected TzUzg0     
adj.不自然的，假装的
参考例句：
  • She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
  • His manners are affected.他的态度不自然。
7 standardized 8hHzgs     
adj.标准化的
参考例句：
  • We use standardized tests to measure scholastic achievement. 我们用标准化考试来衡量学生的学业成绩。
  • The parts of an automobile are standardized. 汽车零件是标准化了的。

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