TABLE 3.

Example survey questions related to pica characteristics

Pica-related characteristics	Example survey questions
Comfortable describing need for ice as “craving”	Do you crave ice?
Chew ice by itself	Do you ever chew ice by itself?
Changed behavior to get ice	Have you ever changed your behavior in order to get ice, for instance, stopping at a fast food restaurant when you had not planned to do so, or going somewhere for the sole purpose of getting ice?
Felt need to cut back on chewing ice	Have you ever felt that you should try to eat less ice?
Felt ice chewing was unusual	Do you feel that the amount of ice you eat is unusual?
Noticed by others	Have family or friends ever noticed or commented on your ice eating?
Experienced tooth problems attributed to chewing ice	Has your dentist noticed grinding, cracking, or unusual wear patterns on your teeth?