Current answer incorrect and previous answer correct
2
Current answer correct and previous incorrect
3
Both, previous and current answer incorrect
Sysmiss
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
INTERVIEWER : Ask A.20b if B.6b is different from answer in previous survey. If not , go to A.20.c a-Read both answers and ask which is the correct answer:
