| 
          
            | MEPS HC-139 |  
            | PANEL 14 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 19, 2017 |  
 
          
            | Variable Name: | WHNHEL2 |  
            | Description: | WHEN DR ADVISE BIKE HELMET (2-17)-R2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1488 |  
            | End: | 1489 |  
 
        
          
            |  |  |  |  
            | -8 DK |             14 |        180,881 |  
            | -1 INAPPLICABLE |         14,791 |    288,400,782 |  
            | 1 WITHIN PAST YEAR |          1,009 |     16,849,787 |  
            | 2 WITHIN PAST 2 YEARS |            189 |      2,844,830 |  
            | 3 MORE THAN 2 YEARS |            218 |      3,865,430 |  
            | TOTAL |         16,221 |    312,141,711 |  
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