| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3027 | 
                                    
                                    92.1%
                                 | 
| 2 | Yes, from a program or professional | 53 | 
                                    
                                    1.6%
                                 | 
| 3 | Yes, from a friend | 20 | 
                                    
                                    0.6%
                                 | 
| 4 | Yes, from a family member | 51 | 
                                    
                                    1.6%
                                 | 
| 5 | Yes, from both programs or professionals and from friends or family members | 23 | 
                                    
                                    0.7%
                                 | 
| 6 | No | 112 | 
                                    
                                    3.4%
                                 | 
| Sysmiss | 27 |