| Value | Category | 
                                    
                    
                        | 1 | Regular partners only | 
                                    
                    
                        | 2 | Occasional partners only | 
                                    
                    
                        | 3 | Regular and occasional partners | 
                                    
                    
                        | 4 | No sexual partner | 
                            
            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.