| Value | Category | 
                                    
                    
                        | 1 | 5-7 Times per week | 
                                    
                    
                        | 2 | 2-4 Times per week | 
                                    
                    
                        | 3 | 1 Time per week | 
                                    
                    
                        | 4 | 2-3 Times per month | 
                                    
                    
                        | 5 | 1 Time per month | 
                                    
                    
                        | 6 | Less than once a mo. | 
                            
            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.