| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 193 | 
                                                                 
                                    
                                    75.1%
                                 
                                                             | 
                                                        
                    
| 2 | SOME DIFFICULTY | 33 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 3 | A LOT OF DIFFICULTY | 12 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    
| 4 | CANNOT WALK AT ALL | 19 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONSE | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 30846 |