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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | ASWNFL3 |  
            | Description: | WHEN LAST USED PEAK FLOW METER - RD 3 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 721 |  
            | End: | 722 |  
 
        
          
            |  |  |  |  
            | -1 INAPPLICABLE |         16,514 |    317,969,689 |  
            | 1 WITHIN LAST 7 DAYS |             33 |        411,539 |  
            | 2 MORE THAN 7, BUT WITHIN LAST 30 DAYS |             27 |        447,074 |  
            | 3 MORE THAN 30 DAYS AGO |            140 |      2,781,323 |  
            | TOTAL |         16,714 |    321,609,625 |  
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