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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC016G CODEBOOK |  
            | 1997 Office-Based Medical Provider Visits File |  
            | DATE:September 20, 2005 |  
 
          
            | Variable Name: | SONOGRAM |  
            | Description: | DID P HAVE SONOGRAM OR ULTRASOUND |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 90 |  
            | End: | 91 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED | 2,916 | 22,981,990 |  
            | -8 DK | 617 | 4,887,127 |  
            | -7 REFUSED | 11 | 133,661 |  
            | -1 INAPPLICABLE | 3,496 | 33,158,751 |  
            | 1 YES | 2,625 | 21,462,682 |  
            | 2 NO | 44,649 | 373,392,914 |  
            | 95 NO SERVICES RECEIVED | 94,521 | 792,145,471 |  
            | TOTAL | 148,835 | 1,248,162,595 |  
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