| Value | Category | 
                                    
                    
                        | 1 | todos o casi todos los días | 
                                    
                    
                        | 2 | una o dos veces por semana | 
                                    
                    
                        | 3 | 1-3 veces al mes | 
                                    
                    
                        | 4 | ocasionalmente | 
                                    
                    
                        | 6 | nunca | 
                                    
                    
                        | 8 | no sabe | 
                                    
                    
                        | 9 | sin información | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.