| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 246 | 
                                                                 
                                    
                                    37%
                                 
                                                             | 
                                                        
                    
| 2 | Nose only | 272 | 
                                                                 
                                    
                                    40.9%
                                 
                                                             | 
                                                        
                    
| 3 | Both | 135 | 
                                                                 
                                    
                                    20.3%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 3 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 8 | Don't know | 9 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 9 | 2 | ||
| Sysmiss | 8128 |