| Value | Category | 
                                    
                    
                        | 1 | during the day (between 6 am and 6 pm) | 
                                    
                    
                        | 2 | in the evening or at night (after 6 pm) | 
                                    
                    
                        | 3 | during both the day and the evening (for the entire day) | 
                                    
                    
                        | 4 | on the week-end | 
                                    
                    
                        | 5 | sometimes during the day, sometimes in the evening | 
                                    
                    
                        | 6 | after school | 
                                    
                    
                        | 7 | before school | 
                                    
                    
                        | 8 | both before or after school | 
                                    
                    
                        | 9 | on the week-end | 
                                    
                    
                        | 10 | during missed school hours/days | 
                                    
                    
                        | 99 | not applicable | 
                                    
                    
                        | 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.