Table 2 presents the means of a 12-month inpatient utilization rate for the CONTROL, UNINS, and MWS groups, broken out separately, before and after the beginning of the 30 Baht program in 2001. The top row shows that overall inpatient utilization increased by 0.36pp, or roughly 5.4 percent over the pre-30 Baht utilization rate of 6.65pp. Thus, the simple time series estimate suggests the 30 Baht program led to an increase in overall inpatient utilization.