Table 5. Comparison of the number of water pipe smoking in the last month before and after 3 month in the intervention (n=47) and control group (n=47) .
| Number of water pipe smoked per month | Before | After | P value | ||
| Number | Percent | Number | Percent | ||
| Intervention group (times/month) | 0.001 | ||||
| None | 1 | 2.1 | 4 | 8.5 | |
| Little (<15) | 20 | 42.6 | 26 | 55.3 | |
| Medium (15-30) | 19 | 40.4 | 15 | 31.9 | |
| More (>30) | 7 | 14.9 | 2 | 4.3 | |
| Control group (times/month) | 0.848 | ||||
| None | 0 | 0.0 | 1 | 2.1 | |
| Little (<15) | 23 | 48.9 | 23 | 48.9 | |
| Medium (15-30) | 20 | 42.6 | 17 | 36.2 | |
| More (>30) | 4 | 8.5 | 6 | 12.8 | |