| Value | Category | 
                                    
                    
                        | 1 | has all meds | 
                                    
                    
                        | 2 | has some meds, some unfilled prescriptions | 
                                    
                    
                        | 3 | no medications seen, has only prescriptions | 
                            
            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.