gistfile1.txt

. gen STARTEDCRAVING = strength_0 == 0 & (strength_1 > 0 & strength_1 < .)

. gen WASCRAVING = strength_0 == 0

. gen COMPLETE = WASCRAVING if  strength_1 >= 0  & strength_1 < .
(632 missing values generated)

. 
. tab2 WASCRAVING COMPLETE STARTEDCRAVING

-> tabulation of WASCRAVING by COMPLETE  

           |       COMPLETE
WASCRAVING |         0          1 |     Total
-----------+----------------------+----------
         0 |       203          0 |       203 
         1 |         0        400 |       400 
-----------+----------------------+----------
     Total |       203        400 |       603 


-> tabulation of WASCRAVING by STARTEDCRAVING  

           |    STARTEDCRAVING
WASCRAVING |         0          1 |     Total
-----------+----------------------+----------
         0 |       368          0 |       368 
         1 |       761        106 |       867 
-----------+----------------------+----------
     Total |     1,129        106 |     1,235 


-> tabulation of COMPLETE by STARTEDCRAVING  

           |    STARTEDCRAVING
  COMPLETE |         0          1 |     Total
-----------+----------------------+----------
         0 |       203          0 |       203 
         1 |       294        106 |       400 
-----------+----------------------+----------
     Total |       497        106 |       603