Prevalence of demographic factors by air pollution exposure class.
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aProportions based on frequency-weighted final weight variable rounded to nearest integer.bAir pollution based on five natural breaks air pollution classes (Classes 2-4 not shown).*p-value
a. 比例基于经频率加权的最终权重变量,且数值已四舍五入至最接近的整数。b. 空气污染程度基于五类自然断点法划分的空气污染等级(未展示第2至4类)。*p值
创建时间:
2015-12-02




