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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: | ASTHEP3 |  
            | Description: | WHEN WAS LAST EPISODE OF ASTHMA - RD 3 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 693 |  
            | End: | 694 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              1 |         11,780 |  
            | -8 DK |             13 |        233,950 |  
            | -1 INAPPLICABLE |         16,349 |    315,012,391 |  
            | 1 WITHIN PAST 2 YEARS |            177 |      3,030,944 |  
            | 2 WITHIN PAST 3 YEARS |             50 |        945,923 |  
            | 3 WITHIN PAST 5 YEARS |             23 |        320,647 |  
            | 4 MORE THAN 5 YEARS |             63 |      1,143,286 |  
            | 5 NEVER |             38 |        910,704 |  
            | TOTAL |         16,714 |    321,609,625 |  
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