| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 1869 |
76.1%
|
| 2 | Get advices from program staff | 132 |
5.4%
|
| 3 | Get from friends | 127 |
5.2%
|
| 4 | From family members | 123 |
5%
|
| 5 | Get both from program or technical staff, from friends or family members | 135 |
5.5%
|
| 6 | Never get advices | 70 |
2.9%
|
| Sysmiss | 2 |