Ask (19.01) for all items first, putting "1" for YES in the first box or "2" for "NO" in the second box.. Then ask (19.02) to (19.06).Only for the items that were acquired.
Literal question
Have you consumed ..[ITEM].. during the 7 days?
Categories
Value
Category
1
YES
2
NO
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.