Table 3 Two-part regression model: Incremental effects of healthcare expenditures by QOL categories among adults with diabetes (reported as dollars in 2014)
Variables | Unadjusted Incremental Cost and 95% CI | Adjusted Incremental Cost and 95% CI |
|---|---|---|
Total expenditure, PCS | ||
Quartile 1 (ref) | – | |
Quartile 2 | -$8,810*** (-$9,595, -$8,027) | -$5,313*** (-$6,063, -$4,562) |
Quartile 3 | -$11,264 (-$12,038, -$10,491) | -$6,994*** (-$7,868, -$6,120) |
Quartile 4 | -$11,800 (-$12,699, -$10,902) | -$7,499*** (-$8,402, -$6,596) |
Total expenditure, MCS | ||
Quartile 1 (ref) | – | |
Quartile 2 | -$3,843*** (-$4,870, -$2,815) | -$1,914*** (-$2,635, -$1,194) |
Quartile 3 | -$5,617*** (-$6,589, -$4,644) | -$3,104*** (-$3,824, -$2,383) |
Quartile 4 | -$5,727*** (-$6,576, -$4,877) | -$3,262*** (-$3,907, -$2,618) |
Out-of-pocket expenditure, PCS | ||
Quartile 1 (ref) | – | |
Quartile 2 | -$588*** (-$705, -$472) | -$408*** (-$529, -$287) |
Quartile 3 | -$873*** (-$1,002, -$744) | -$611*** (-$750, -$471) |
Quartile 4 | -$989 (-$1,146, -$831) | -$670*** (-$839, -$501) |
Out-of-pocket expenditure, MCS | ||
Quartile 1 (ref) | – | |
Quartile 2 | -$202** (-$346, -$56) | -$96 (-$213, $20) |
Quartile 3 | -$335*** (-$486, -$185) | -$286*** (-$407, -$165) |
Quartile 4 | -$286*** (-$432, -$140) | -$283*** (-$402, -$164) |