Kaiser Family Foundation ACA Eligibility Analysis: Technical Appendix B: Immigration Status Imputation

Kaiser Family Foundation ACA Eligibility Analysis: Technical Appendix B: Immigration Status Imputation
April 7, 2015
Source: Kaiser Family Foundation

To impute documentation status for each person in the sample, we draw on the methods underlying the 2013 analysis by the State Health Access Data Assistance Center (SHADAC) and the recommendations made by Van Hook et. al. This approach uses the Survey of Income and Program Participation (SIPP) to develop a model that predicts immigration status; it then applies the model to a second data source, controlling to state-level estimates of total undocumented population from Department of Homeland Security. Below we describe how we developed the regression model and applied it to the Current Population Survey. We also describe how the model may be applied to other data sets. The programming code, written using the statistical computing package R v.3.1.1, is available upon request for people interested in replicating this approach for their own analysis.





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