Do you think the fees you paid today were different from the fees you would have paid if you had visited on any other day?
Categories
Value
Category
-999
1
yes
2
no
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.
var_qstn_ivulnstr
If no, terminate the interview.
There should only be 'NA' here if the answer to question 10 was yes.