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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-156 |  
            | PANEL 16 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 19, 2017 |  
 
          
            | Variable Name: | HELMET2 |  
            | Description: | DR ADVISE BIKE HELMET (2-17)-R2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1469 |  
            | End: | 1470 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              6 |         67,729 |  
            | -8 DK |             88 |      1,453,104 |  
            | -1 INAPPLICABLE |         13,962 |    250,942,515 |  
            | 1 YES |          1,603 |     24,518,177 |  
            | 2 NO |          2,853 |     39,800,253 |  
            | TOTAL |         18,512 |    316,781,778 |  
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