Estimating the Size of the Uninsured and Other Vulnerable Populations in a Local Area: Table 1

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Table 1. Interviewed Households from the Current Population Survey's March Supplement: Sample Expansion and its Impact on State Estimates of Uninsurance

State	Number of Interviewed Households in Non-Expanded Sample 2001 CPS	Number of Interviewed Households in Expanded Sample 2001 CPS	CPS Sample Increase Within the State	2001 Non-Expanded Sample Health Insurance Coverage Standard Error	2001 Expanded Sample Health Insurance Coverage Standard Error	Decrease in Standard Error (%)
Alabama	683	1254	84%	0.79	0.51	36
Alaska	557	1081	94%	0.91	0.53	42
Arizona	844	1047	24%	0.79	0.62	22
Arkansas	677	903	33%	0.79	0.59	25
California	4336	5609	29%	0.37	0.29	21
Colorado	716	1522	113%	0.73	0.48	35
Connecticut	527	1339	154%	0.67	0.40	40
Delaware	519	943	82%	0.73	0.44	39
District of Columbia	543	1012	86%	0.91	0.55	40
Florida	2739	3454	26%	0.43	0.34	21
Georgia	749	1094	46%	0.73	0.55	24
Hawaii	423	1028	143%	0.79	0.45	44
Idaho	750	996	33%	0.79	0.59	26
Illinois	2054	2719	32%	0.49	0.34	31
Indiana	642	1389	116%	0.73	0.42	43
Iowa	683	1288	89%	0.67	0.37	45
Kansas	638	1268	99%	0.73	0.45	38
Kentucky	645	1062	65%	0.73	0.49	33
Louisiana	611	870	42%	0.85	0.63	26
Maine	521	1268	143%	0.79	0.40	49
Maryland	565	1273	125%	0.73	0.45	38
Massachusetts	1121	1432	28%	0.49	0.35	29
Michigan	1607	2170	35%	0.43	0.32	24
Minnesota	683	1406	106%	0.67	0.37	45
Mississippi	566	800	41%	0.73	0.62	15
Missouri	580	1176	103%	0.73	0.42	42
Montana	657	866	32%	0.85	0.58	32
Nebraska	682	1217	78%	0.73	0.44	40
Nevada	701	1416	102%	0.79	0.51	35
New Hampshire	472	1281	171%	0.67	0.39	42
New Jersey	1466	1963	34%	0.49	0.37	24
New Mexico	828	1016	23%	0.91	0.72	21
New York	3195	4201	31%	0.37	0.28	23
North Carolina	1226	1651	35%	0.55	0.43	21
North Dakota	621	1098	77%	0.79	0.44	45
Ohio	1861	2475	33%	0.43	0.33	23
Oklahoma	718	1090	52%	0.85	0.58	32
Oregon	594	1197	102%	0.79	0.49	38
Pennsylvania	2021	2659	32%	0.37	0.28	24
Rhode Island	499	1326	166%	0.61	0.35	43
South Carolina	496	1014	104%	0.79	0.49	39
South Dakota	660	1209	83%	0.73	0.41	44
Tennessee	635	973	53%	0.67	0.50	25
Texas	2752	3503	27%	0.49	0.38	23
Utah	604	932	54%	0.73	0.54	27
Vermont	478	1173	145%	0.79	0.42	47
Virginia	770	1331	73%	0.73	0.44	40
Washington	623	1350	117%	0.79	0.50	37
West Virginia	691	1132	64%	0.79	0.48	40
Wisconsin	732	1481	102%	0.55	0.35	36
Wyoming	635	1043	64%	0.79	0.56	29
Total	49596	78000	57%

Source: Current Population Survey Demographic Supplement 2001 and 2002.

Note: These are the standard errors for the actual rates of uninsurance by State before and after sample expansion based on 2001 CPS files.

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