来自《耶鲁大学开放课程：心理学导论 第18集》

• 
  
  Bipolar disorder occurs in only about 1% of the population,
  而双相障碍只存在于百分之一的人身上
• 
  
  and it's equally prevalent in women and men.
  而且男女发病率基本相等
• 
  
  So, it's a really quite different disorder in many ways from depression alone.
  双相障碍和抑郁症 在很多方面都不相同
• 
  
  I want to give you some other statistics about depression per se,
  我想给你们看一些关于抑郁的统计数据
• 
  
  and this only applies to depression.
  只针对抑郁症的统计
• 
  
  There are quite large age differences in the prevalence of depression.
  抑郁症发病的年龄段差距非常大
• 
  
  These are data from a nationwide study of people between
  这里有一个数据调查了全国
• 
  
  the ages of fifteen and fifty-five,
  年龄从十五岁到五十五岁的人
• 
  
  and these are the percentages of people in this study.
  这是被调查的人员百分比
• 
  
  And there were several thousand people in the study.
  大约几千人参与了调查
• 
  
  These are not people who have sought treatment for depression
  他们不是已经找到治疗方法的抑郁症患者
• 
  
  but just a random community sample. And this is the percentage
  而只是一些随机的社区人员样本 这个百分比数据是