Demographic Data Comparing Subjects, Controls, and Dropouts
| Number Completing Study | |||
| Subjects | Controls | Subjects vs. Controls | |
| Enrolled | 104 | 187 | |
| Completed Study | 64 (59%) | 89 (48%) | χ2 = 3.411; P > .05 |
| Dropped Out | 45 (41%) | 98 (52%) | |
| Average Age in Years | |||
| Subjects | Controls | Subjects vs. Controls | |
| Completed Study | 26.8 | 26.0 | P=.32 |
| Dropped Out | 28.0 | 27.2 | P=.45 |
| Completed vs. Dropped Out | p=.28 | P=.08 | |