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ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection: Checked for undocumented or out-of-range codes..

ICPSR 数据需通过保密审查，必要时还会进行调整以降低数据披露风险。ICPSR 还会常规生成可直接投入使用的数据文件，同时提供适配主流统计软件格式的配置文件（setups），以及随附该数据集的标准代码簿。除上述流程外，ICPSR 针对本次数据采集工作还执行了以下处理步骤：核查未记录代码或超出取值范围的代码。