| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Very frequently | 110 | 
                                    
                                    9.2%
                                 | 
| 2 | Somewhat frequently | 224 | 
                                    
                                    18.7%
                                 | 
| 3 | Not very frequently | 378 | 
                                    
                                    31.5%
                                 | 
| 4 | Not at all frequently | 454 | 
                                    
                                    37.8%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 34 | 
                                    
                                    2.8%
                                 |