| Value | Category | Cases | |
|---|---|---|---|
| 1 | Don't have siblings | 148 | 
                                    
                                    7.8%
                                 | 
| 2 | Siblings don't smoke | 497 | 
                                    
                                    26.4%
                                 | 
| 3 | Don't see them smoking | 85 | 
                                    
                                    4.5%
                                 | 
| 4 | About every day | 134 | 
                                    
                                    7.1%
                                 | 
| 5 | Sometimes | 142 | 
                                    
                                    7.5%
                                 | 
| 6 | Never | 880 | 
                                    
                                    46.7%
                                 | 
| Sysmiss | 14 |