| 
          
            | MEPS HC016F CODEBOOK |  
            | 1997 Outpatient Visits File |  
            | DATE:September 20, 2005 |  
 
          
            | Variable Name: | OPDATEMM |  
            | Description: | EVENT DATE - MONTH |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 47 |  
            | End: | 48 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED | 106 | 501,276 |  
            | -8 DK | 1 | 13,014 |  
            | 1 - 12 | 15,928 | 128,693,903 |  
            | TOTAL | 16,035 | 129,208,193 |  
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