| Value | Category | Cases | |
|---|---|---|---|
| 1 | True | 83 | 
                                    
                                    5%
                                 | 
| 2 | False | 426 | 
                                    
                                    25.6%
                                 | 
| 3 | I don't know | 886 | 
                                    
                                    53.2%
                                 | 
| 4 | My girl/boy friend does not smoke cigarettes | 270 | 
                                    
                                    16.2%
                                 | 
| Sysmiss | 7 |