For the MWS group, prior to 30 Baht, this group had significantly lower utilization rates than the CONTROL group (−0.0085). After 30 Baht, the difference is positive and statistically insignificant (0.0003; p > 0.10). This implies a difference-in-differences estimate of 0.0088 ( p < 0.01), which implies that the 30 Baht program led to a 12 percent increase in utilization for the MWS group.