IF (age < 10) agegrp = 1 .
IF (age  > 9 & age < 20) agegrp = 2 .
IF (age  > 19 & age < 30) agegrp = 3 .
IF (age  > 29 & age < 40) agegrp = 4 .
IF (age  > 39 & age < 50) agegrp = 5 .
IF (age  > 49 & age < 60) agegrp = 6 .
if (age >59) agegrp= 7.
EXECUTE .

Value labels  agegrp 2 '1-9' 
 2 '10-19' 
 3 '20-29' 
 4 '30-39' 
 5 '40-49' 
 6 '50-59'
 7 '60+'.


IF (lit = 4) BLIT = 1 .
EXECUTE .
IF (lit = 1) BLIT = 0 .
EXECUTE .