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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-80 |  
            | PANEL 7 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 27, 2017 |  
 
          
            | Variable Name: | WHNHEL4 |  
            | Description: | WHEN DR ADVISE BIKE HELMET (2-17)-R4 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 3977 |  
            | End: | 3978 |  
 
        
          
            |  |  |  |  
            | -8 DK |             15 |        158,259 |  
            | -1 INAPPLICABLE |         14,566 |    268,865,523 |  
            | 1 WITHIN PAST YEAR |          1,150 |     17,878,301 |  
            | 2 WITHIN PAST 2 YEARS |            304 |      4,798,213 |  
            | 3 MORE THAN 2 YEARS |            144 |      2,471,141 |  
            | TOTAL |         16,179 |    294,171,437 |  
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