| Duration | Frequency (f) | Percentage (%) | Cumulative percentage | Mean (±SD) |
|
|
|
|
| 10.75 (13.02) |
| 0 - 6 months | 233 | 58.4 | 58.4 |
|
| 7 - 12 months | 56 | 14 | 72.4 |
|
| 13 - 18 months | 22 | 5.5 | 77.9 |
|
| 19 - 24 months | 41 | 10.3 | 88.2 |
|
| > 24 months | 47 | 11.8 | 100 |