| Value | Category | 
                                    
                    
                        | 1 | Told: do not want to | 
                                    
                    
                        | 2 | Told: I am sick | 
                                    
                    
                        | 3 | Told: I am tired | 
                                    
                    
                        | 4 | Faced the wall | 
                                    
                    
                        | 6 | Other | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.