| 
          
            | MEPS HC-126F CODEBOOK |  
            | 2009 OUTPATIENT DEPARTMENT VISITS (FINAL) |  
            | DATE:     October 18, 2011 |  
 
          
            | Variable Name: | OPDATEMM |  
            | Description: | EVENT DATE - MONTH |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 49 |  
            | End: | 50 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |            129 |      1,639,919 |  
            | -8 DK |              2 |          5,652 |  
            | 1-12 MONTH |         13,002 |    129,827,842 |  
            | TOTAL |         13,133 |    131,473,413 |  
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