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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-210 |  
            | PANEL 22 LONGITUDINAL DATA CODEBOOK |  
            | DATE: December 16, 2021 |  
 
          
            | Variable Name: | WHNHEL2 |  
            | Description: | WHEN DR ADVISE BIKE HELMET (2-17)-R2 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 1067 |  
            | End: | 1068 |  
 
        
          
            |  |  |  |  
            | -8 DK | 3 | 65,747 |  
            | -1 INAPPLICABLE | 13,160 | 301,465,805 |  
            | 1 WITHIN PAST YEAR | 1,073 | 21,333,080 |  
            | 2 WITHIN PAST 2 YEARS | 148 | 2,848,968 |  
            | 3 MORE THAN 2 YEARS | 157 | 3,693,762 |  
            | TOTAL | 14,541 | 329,407,361 |  
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