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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-144G CODEBOOK |  
            | 2011 OFFICE-BASED MEDICAL PROVIDER VISITS |  
            | DATE:     June 11, 2013 |  
 
          
            | Variable Name: | OBDATEMM |  
            | Description: | EVENT DATE - MONTH |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 50 |  
            | End: | 51 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |            557 |      7,208,935 |  
            | -8 DK |              8 |         32,705 |  
            | 1 - 12 MONTH |        133,746 |  1,580,688,154 |  
            | TOTAL |        134,311 |  1,587,929,795 |  
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