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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | ARTHAGY1 |  
            | Description: | AGE OF DIAGNOSIS-ARTHRITIS 13 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 667 |  
            | End: | 668 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |             35 |        774,466 |  
            | -8 DK |            132 |      3,293,460 |  
            | -7 REFUSED |              2 |        134,122 |  
            | -1 INAPPLICABLE |         14,007 |    261,772,282 |  
            | 0 - 85 AGE AT DIAGNOSIS |          2,538 |     55,635,295 |  
            | TOTAL |         16,714 |    321,609,625 |  
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