Table 8.

Proportion of unauthorized immigrants with insurance coverage estimated by CSMI method, by state/region and imputation model specification

State/Region	2004 SIPP		Pooled 2004 SIPP and CPS
			Insurance Never Jointly Observed		Insurance Jointly Observed
			State/Region in Imputation Model		State/Region in Imputation Model		Imputed Separately by State/Region
	Mean	SE	Mean	SE	Mean	SE	Mean	SE
California	0.416	0.023	0.524	0.010***	0.442	0.009	0.434	0.011
Florida	0.462	0.038	0.555	0.010*	0.449	0.008	0.468	0.011
Illinois	0.560	0.068	0.553	0.015	0.502	0.019	0.568	0.023
New Jersey	0.427	0.050	0.567	0.015**	0.463	0.017	0.458	0.020
New York	0.513	0.041	0.590	0.010	0.503	0.009	0.478	0.020
Texas	0.357	0.035	0.360	0.015	0.324	0.010	0.338	0.010
Other Pacific/Southwest (AZ, HI, NV, NM)	0.334	0.037	0.546	0.015***	0.407	0.016	0.412	0.016*
Northwest (CO, ID, MT, OR, UT, WA, WY)	0.456	0.039	0.473	0.012	0.400	0.009	0.420	0.029
Midwest (IN, IA, KS, MN, NE, ND, OK, SD)	0.533	0.045	0.564	0.008	0.543	0.014	0.550	0.020
Great Lakes Region (MI, OH, WI)	0.692	0.062	0.553	0.018*	0.556	0.029*	0.589	0.022
Northeast (CT, ME, MA, NH, PA, RI, VT)	0.518	0.043	0.671	0.008***	0.540	0.011	0.497	0.021
Mid-Atlantic (DE, DC, MD, VA)	0.583	0.054	0.556	0.017	0.476	0.024	0.521	0.030
Southeast (GA, NC, SC, WV)	0.259	0.035	0.406	0.014***	0.324	0.012	0.312	0.013
Deep South (AL, AK, KT, LA, MS, MO, TN)	0.453	0.062	0.627	0.016**	0.492	0.023	0.552	0.035

Notes: The sample is pooled. N = 30,112; SIPP N = 8,898; CPS N = 21,214; SIPP includes at least 250 foreign-born per state/region; CSMI = cross-survey multiple imputation. Significance tests are based on the SE of the difference between the estimate from the 2004 SIPP and the pooled SIPP-CPS:

${\text{SE}}_{\text{diff}}=\sqrt{\left({\text{SE}}_{{\text{SIPP}}^2}+{\text{SE}}_{{\text{pooled}}^2}\right)}$.

^*p < .05;

^**p < .01;

^***p < .001