| Value | Category | 
                                    
                    
                        | 1 | 1. Regular Pay job | 
                                    
                    
                        | 2 | 2. Worked for several | 
                                    
                    
                        | 3 | 3. Do odd jobs | 
                                    
                    
                        | 4 | 4. Worked for self | 
                                    
                    
                        | 5 | 5. Never worked | 
                                    
                    
                        | 6 | 6. Housewife | 
                                    
                    
                        | 999 | 999. Don't know | 
                            
            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.