Table IV.A.2  National totals for enrollees and cost of hospitalization and physician service health plans for the private sector by type of indemnification; United States, 2015
Purchased plans Total
(in thousands of persons)		 Standard errors
Total enrollees 23,988 425
Active enrollees 22,889 387
Enrollees through COBRA     620 134
Retired enrollees     479   71
Enrollees with single coverage 14,336 251
  Total
(in millions of dollars)		 Standard errors
Total costs 226,159 4,714
Employer contribution single coverage   64,578 1,231
Employee contribution single coverage   19,546    607
Employer contribution non-single* coverage   93,396 2,595
Employee contribution non-single* coverage   48,639 1,679
Self-insured plans Total
(in thousands of persons)		 Standard errors
Total enrollees 37,889 677
Active enrollees 34,509 594
Enrollees through COBRA      856 120
Retired enrollees   2,524 163
Enrollees with single coverage 18,827 356
  Total
(in millions of dollars)		 Standard errors
Total costs 402,567 7,704
Employer contribution single coverage   83,776 1,655
Employee contribution single coverage   28,980    786
Employer contribution non-single* coverage 208,638 4,454
Employee contribution non-single* coverage   81,173 1,899

Source: Agency for Healthcare Research and Quality, Center for Financing, Access and Cost Trends. 2015 Medical Expenditure Panel Survey - Insurance Component.

Notes: Definitions and descriptions of the methods used for this survey can be found in the Technical Appendix. Totals may not sum exactly because of rounding.

* Non-single coverage includes both family and employee-plus-one coverage levels. This is a labeling change effective in 2010, however the estimates for prior years are comparable.