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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-144F CODEBOOK |  
            | 2011 OUTPATIENT DEPARTMENT VISITS |  
            | DATE:     June 11, 2013 |  
 
          
            | Variable Name: | OPDATEDD |  
            | Description: | EVENT DATE - DAY |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 51 |  
            | End: | 52 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |            568 |      7,433,018 |  
            | -8 DK |          1,102 |     10,993,371 |  
            | 1 - 31 DAY |          9,873 |    112,394,950 |  
            | TOTAL |         11,543 |    130,821,340 |  
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