Table 2 Participant retention over time (n = 270)
| Retained | Withdrew* | |
|---|---|---|
| At 3 months | 244 (90%) | 26 (10%) |
| At 6 months | 223 (83%) | 47 (17%) |
| At 12 months | 181 (67%) | 89 (33%) |
| At 18 months | 149 (55%) | 121 (45%) |
| At 24 months | 137 (51%) | 133 (49%) |
| Mean number of program visits attended | 21 ± 2 | 10 ± 5 |