Baseline Characteristics of Practices That Dropped Out of the NDP
| Practice and Group | Dropout Date | Size, Location, Ownership | Practice Age, y | Reason for Dropout |
|---|---|---|---|---|
| IRB = institutional review board; NDP = National Demonstration Project. | ||||
| Note: One facilitated practice dropped out of the NDP when the health system IRB did not approve inclusion in the study. All data related to this practice were expunged. | ||||
| D-1: Self-directed | October 2006 | Large, metropolitan, system owned | 17 | Restructuring within system closed the original family medicine practice that applied to the NDP |
| D-2: Self-directed | March 2007 | Medium, suburban, physician owned | 25 | Practice said they had too many competing demands to participate in NDP data collection |
| D-3: Self-directed | April 2007 | Solo, rural, physician owned | 2 | Local hospital closed, forcing close of practice; physician joined practice in another town |
| D-4: Facilitated | March 2008 | Solo, suburban, physician owned | <1 | Physician owner closed original practice and joined another |