Health insurance | 2008 | 2011 | P value | ||
---|---|---|---|---|---|
Ā | n | charges | n | charges | Ā |
UEBMI | 42660 | 5693 | 77419 | 7326 | <0.0001 |
URBMI | 476 | 3487 | 16822 | 4642 | <0.0001 |
NCMS | 127187 | 3656 | 86819 | 4320 | <0.0001 |
OTH SI | 15007 | 10286 | 19898 | 10031 | <0.0001 |
CMI | 77 | 5051 | 1381 | 5104 | 0.9989 |
OOP | 36506 | 8378 | 41842 | 4740 | <0.0001 |