帮忙看看这几句英文,翻译通顺

题目

帮忙看看这几句英文,翻译通顺
Although the NSCH uses a random sample design, the survey process does not ensure that all types of neighborhoods were represented or that a specified number of individuals residing in each type of neighborhood were included in the data. As well, given data structure, factors impacting selection into neighborhood residence were not able to be addressed in the current analyses. The data are cross-sectional; thus the study design does not allow for establishment of cause and effect relationships. The overall response rate for the survey was 46.7%. Weighting of data facilitated adjustment for the potential bias of differential response rate and interview completion.

答案

虽然NSCH使用一个随机样本设计、调查过程并不能保证所有类型的邻近地区也代表或指定数量的个人居住在每一种类型的邻居都包括在内的数据.,给定数据结构、因素影响选为住宅社区,都不能提出在当前的分析.这些数据是横向...