Skip to main content

Table 2 Effects indicated by the regression coefficients

From: Does disease management for diabetic nephropathy reduce medical expenditure? Evidence from a three-period difference-in-differences analysis

 Difference between before and during the interventionDifference between during and after the interventionDifference between before and after the intervention
Coefficient for the treatment group-β4 − β5+β2 + β3+β2 + β3 − β4 − β5
Coefficient for the control group-β5+β2+β2 − β5
Difference between the treatment and control groups-β4
(the rectification effect)
(the health improvement effect)
-β4 + β3
(both effects on costs)