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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | ARTHAGY2 |  
            | Description: | AGE OF DIAGNOSIS-ARTHRITIS 14 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 669 |  
            | End: | 670 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |             42 |        855,849 |  
            | -8 DK |            143 |      3,493,206 |  
            | -7 REFUSED |              2 |        134,122 |  
            | -1 INAPPLICABLE |         13,710 |    255,824,535 |  
            | 0 - 85 AGE AT DIAGNOSIS |          2,817 |     61,301,913 |  
            | TOTAL |         16,714 |    321,609,625 |  
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