| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 50 | 
                                    
                                    4.2%
                                 | 
| 1 | Rarely | 132 | 
                                    
                                    11%
                                 | 
| 2 | Often | 402 | 
                                    
                                    33.5%
                                 | 
| 3 | Always | 548 | 
                                    
                                    45.7%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 68 | 
                                    
                                    5.7%
                                 |