Instrument Variable Name: FHNCAN
[Fill1: Did your SON EVER have cancer of any kind?
*Enter '0' if son has not had any kind of cancer.
*Enter '1' if son has had cancer.]
[Fill2: How many of your SONS have EVER had cancer of any kind?
*Enter '0' for none.
*Enter '21' for 21 or more sons.]
01-20 1-20 sons
99 Don't know
Universe Text: Sample adults 18+ who have at least one biological son
(0,R,D) [goto FHDNUM]
(1-21) if FHNCAN gt FHNNUM [goto ERR_FHNCAN]; else [goto FHNTYP_1]