| Value | Category | 
                                    
                    
                        | 1 | 1. No risk | 
                                    
                    
                        | 2 | 2. Small risk | 
                                    
                    
                        | 3 | 3. Moderate | 
                                    
                    
                        | 4 | 4. Great risk | 
                                    
                    
                        | 5 | 5. (If volunteered: is HIV positive) | 
                                    
                    
                        | 8 | 8. Refused | 
                                    
                    
                        | 9 | 9. 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.