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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-122 |  
            | PANEL 12 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | HELMET2 |  
            | Description: | DR ADVISE BIKE HELMET (2-17)-R2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1595 |  
            | End: | 1596 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              2 |         44,247 |  
            | -8 DK |             54 |      1,096,249 |  
            | -7 REFUSED |              3 |         64,794 |  
            | -1 INAPPLICABLE |          9,294 |    241,928,727 |  
            | 1 YES |          1,088 |     23,122,219 |  
            | 2 NO |          1,999 |     41,348,044 |  
            | TOTAL |         12,440 |    307,604,278 |  
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