| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2925 | 
                                    
                                    89.6%
                                 | 
| 2 | I do not smoke now | 170 | 
                                    
                                    5.2%
                                 | 
| 3 | Yes | 76 | 
                                    
                                    2.3%
                                 | 
| 4 | No | 93 | 
                                    
                                    2.8%
                                 | 
| Sysmiss | 49 |