| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 588 | 
                                    
                                    49%
                                 | 
| 1 | Sometimes | 467 | 
                                    
                                    38.9%
                                 | 
| 2 | Often | 69 | 
                                    
                                    5.8%
                                 | 
| 3 | Always | 0 | 
                                    
                                    0%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 76 | 
                                    
                                    6.3%
                                 |