HAND CARD A. Read categories if telephone interview.
CARD A

1. Of these four diseases, which ONE do you think is the country's most serious health problem?

Now, I'm going to ask your opinion about certain health problems. For these questions, if you are not sure, feel free to tell me that.

HAND CARD S1. Read categories if telephone interview.
CARD S1

1. Of these four diseases, which one do you think is the country's most serious health problem?
Mark only one.