| 
          
            | MEPS HC016G CODEBOOK |  
            | 1997 Office-Based Medical Provider Visits File |  
            | DATE:September 20, 2005 |  
 
          
            | Variable Name: | OBDATEYR |  
            | Description: | EVENT DATE - YEAR |  
            | Format: | 4.0 |  
            | Type: | NUM |  
            | Start: | 44 |  
            | End: | 47 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED | 121 | 953,132 |  
            | -8 DK | 15 | 189,654 |  
            | 1997 | 148,699 | 1,247,019,810 |  
            | TOTAL | 148,835 | 1,248,162,595 |  
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