VAR CF0006 RESPONDENT NUMBER

VAR CF0006    RESPONDENT NUMBER                                               
              COLUMNS 20   - 23                                               
              NUMERIC                                                         
              NO MISSING DATA CODES

        CASE IDENTIFICATION NUMBER                                            
        -------------------------------------------------------------------   
                                                                              
        This number is study specific.                                        
                                                                              
        In Pre-Post studies, this is the Pre case ID.                         
                                                                              
        1948:  480002     1952:  520002     1954:  540002                     
        1956:  560002     1958:  580002     1960:  600002                     
        1962:  620002     1964:  640002     1966:  660002                     
        1968:  680002     1970:  700002     1972:  720002                     
        1974:  742002     1976:  763002     1978:  780002                     
        1980:  800004     1982:  820004     1984:  840004                     
        1986:  860004     1988:  880004     1990:  900004                     
        1992:  923004     1994:  940001     1996:  960001                     
        1998:  980001                                                         
                                                                              
                                                                              
==============================