| Value | Category | Cases | |
|---|---|---|---|
| 1 | True | 150 | 
                                    
                                    9.1%
                                 | 
| 2 | False | 118 | 
                                    
                                    7.1%
                                 | 
| 3 | I do not use chewing tobacco | 1387 | 
                                    
                                    83.8%
                                 | 
| Sysmiss | 17 |