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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | CHDAGY1 |  
            | Description: | AGE OF DIAGN-CORONARY HEART DISEASE 13 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 535 |  
            | End: | 536 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              1 |         14,846 |  
            | -8 DK |              9 |        255,677 |  
            | -7 REFUSED |              1 |         28,556 |  
            | -1 INAPPLICABLE |         16,137 |    309,026,831 |  
            | 0 - 85 AGE AT DIAGNOSIS |            566 |     12,283,714 |  
            | TOTAL |         16,714 |    321,609,625 |  
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