Using the CalSIM model, we predict changes in coverage in California as a result of the ACA. Take up of available coverage options in the model is based on a wide range of factors, including the pre-policy starting point, health status, household income, change in cost to purchase coverage, and English proficiency. For Medi-Cal, we assume that 61 percent of uninsured newly eligible individuals, and 10 percent of those who were previously eligible but not enrolled, enroll under our base scenario. is assumption is based on current Medi-Cal take up in the For the enhanced scenario we follow the Urban Institute/Kaiser Family Foundation9 enhanced participation estimate and assume that 75 percent of.
