Source:LEC21P13.SAS    Disk 1998#1 11/18/98       EJS
Table 13.1.  Illustration of List of FIRST. and LAST. automatic Variables
            to create quality clinic variables

                       First       Last
          Quality     Record      Record
             of         for         for
          Clinic:     Clinic:     Clinic:
CLINIC    QUALITY    F_CLINIC    L_CLINIC

   1         8           1           0
   1         8           0           0
   1         8           0           1
   2         1           1           0
   2         1           0           1
Source:LEC21P13.SAS    Disk 1998#1 11/18/98       EJS
Table 13.2.  Subset with quality values for clinic

          Quality
             of
          Clinic:
CLINIC    QUALITY

   1         8
   2         1
Source:LEC21P13.SAS    Disk 1998#1 11/18/98       EJS
Table 13.3. Subject Follow-up Data with Highest quality Fat measure

                 Pct
       AGE       FAT
      YRS:    Baseline:     Pct/FAT/1      Pct/FAT/2
ID     AGE       FAT0      Mth:/(FAT1)    Mth:/(FAT2)

 1     33         50            38             47
 2     66         46            55             50
 3     67         43             .             38
 4     54         55             .              .
 5     39         38            45             34