Can you explain more about how the survey data from the Survey of Income and Program Participation (SIPP) will be reweighted to reflect state demographics for purposes of MAGI Conversion?

To produce reliable state-level results, income conversions using SIPP data will be based on the entire national sample that has been re-weighted to account for state demographic characteristics. The purpose of the reweighting is to ensure that the analysis is done using a population whose characteristics are similar to each state's actual population. The variables used in reweighting include age, parent status, gender, race/ethnicity, total household income as a percent of FPL, types of unearned income (whether the household has any unearned income and whether it includes child support), and whether or not an individual has child care expenses. The re-weighting will be done separately for each state and will ensure that the distribution of these characteristics (and combinations of these characteristics) matches state totals from the Census Bureau's Current Population Survey. In some states, a few of these categories will need to be combined due to small sample size. CMS will be releasing a brief on SIPP and the re-weighting adjustments.

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