They dichotomize people
他們對人們進行了區分
who had three nights a week or more
一邊是每周有3晚以上睡眠障礙的人
and this was dichotomized, statistical note
這是區分后的統計數據
Many of you may be thinking
很多人會問
why dichotomize continuous variable
為什么要對連續變量進行兩分
Here, this is the distribution
這是分布情況
pick at both ends so that we dichotomize
選擇最極端的情況進行兩分
So three days a week or more
一周3晚以上睡眠障礙
Will they more likely to have these outcomes?
那么這些人是不是更容易出現不良后果?
Yes
是的
So people who report poor sleep
自述睡眠不好的人
are more likely to be obese
更容易出現肥胖癥
more likely to have diabetes
更容易得糖尿病
more likely to have history of heart disease
更容易有心臟病史
I'm showing the unadjusted end
我給大家看的是未調整的末端數據
to show what happens when we throw these things to the model
以展示將這些情況加入模型后出現的變化
the typical covariates and maybe a few other ones
典型的協變量和其他變量的情況
And a little bit about sleep duration
以及一些關于睡眠長短的數據
We saw especially from a number of other talks earlier
從前面報告人的研究我們可以看出
Dr. Redline, Dr. Van Cauter, Dr. Youngstedt
羅德萊恩博士 馮考特博士 和楊斯特德博士
especially looking at populations did from NHNES
特別關注了NHNES的人口數據
National Health and Nutrition Examination Survey
也就是全國健康營養檢測調查的數據
and other nationally representative U.S. based sample
和其他有全國代表性的樣本抽查數據
looking at the relationship between habitual sleep duration
他們研究了以7小時為參照系的
relative to 7 hours and risk of obesity
習慣性睡眠長短與肥胖癥
having diabetes, hypertension, high cholesterol
糖尿病 高血壓和高膽固醇之間的聯系
You'll notice that
大家可以注意到
I have broken apart the very short and the very long
我把很短和很長的睡眠數據進行了分解
separately from what we would normally consider
從我們通常認為的短期和長期睡眠數據中
some of the short and long showing
分離出來
that these groups are really the same categorically different
結果顯示這些不同類型群體的數據其實是相同的
A lot of these studies that might show
很多研究顯示
inconclusive of results might have to do
很多研究結果對不同的異質人群
with lumping, heterogeneous groups together
進行了整合性研究