| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2813 | 
                                    
                                    85.4%
                                 | 
| 2 | Yes, from a program or professional | 53 | 
                                    
                                    1.6%
                                 | 
| 3 | Yes, from a friend | 30 | 
                                    
                                    0.9%
                                 | 
| 4 | Yes, from a family member | 72 | 
                                    
                                    2.2%
                                 | 
| 5 | Yes, from both programs or professionals and from friends or family members | 44 | 
                                    
                                    1.3%
                                 | 
| 6 | No | 280 | 
                                    
                                    8.5%
                                 | 
| Sysmiss | 21 |