According to the Aon Hewitt 2014 Health Care Survey, Future Ready. Real Now,of those employers that have or plan to use VBID, only 11 percent will base the reward on achieving health outcomes. In fact, six of 10 employers do not require any specific action or behavior on the part of the enrollee in order to access the enhanced benefit level under the VBID coverage. Only about one in four employers is currently using or adding value-based incentive design for medical and pharmacy plans. However, 59 and 57 percent, respectively, plan to add in three to five years.