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. 2013 Feb 1;28(9):1136–1142. doi: 10.1007/s11606-013-2354-z

Table 5.

Insurance Characteristics Excluding Those Reporting Income Equal to Zero* (n = 5,227)

Variable Total Fully insured (n = 4,006) Underinsured (n = 1,221)
Insurance type
Full year private only 1,685 (40.0) 1,230 (36.8) 455 (48.5)
Full year medicaid only 2,839 (46.4) 2,380 (52.9) 459 (29.2)
Full year medicare only 260 (5.3) 114 (3.2) 146 (10.9)
Full year dual medicaid/medicare 443 (8.2) 282 (7.0) 161 (11.3)
Underinsurance 1,221 (27.4) 0 (0) 1,221 (100)

*Data are presented as unadjusted counts (weighted percentage). Rao Scott chi-square p value < 0.001