Methods: A descriptive analysis was conducted by using the gray information and statistical data obtained from relevant agencies from 2007 to 2009 at Shenmu County.
方法：数据来源于神木县有关机构2007—2009年相关统计数据，运用描述性统计分析方法进行分析。
By using the statistical software, SPSS11.0 and LISREL8.70, we did the descriptive analysis, factor analysis, correlation analysis and regression analysis.
运用统计软件SPSS11.0与LISREL8.70进行描述性分析、因子分析、相关分析和回归分析。
Methods: a descriptive analysis was conducted by using the information and statistical data obtained from the Health Bureau from 2007 to 2009 at Shenmu County.
方法：资料来源于神木县卫生局2007—2009年相关统计资料，运用描述性统计方法进行分析。
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