Table 1. Significance of olfaction questionnaire (modified after [32]).

Ass–Association; App–Application; Con–Consequence.

Importance of Olfaction
This questionnaire relates to the role your sense of smell plays in your daily life. Please answer all of the questions spontaneously; there are no right or wrong answers.
Scale		I totally agree	I mostly agree	I mostly disagree	I totally disagree
Ass	I know people, who smell very well.
App	I do know, how my blankets smell.
App	I sniff on food before eating it.
Con	The topic of a history lesson is the old Romanic culture. In an extra lesson you can learn something about the perfumes of this culture. Would you stay in school for this extra lesson?
Con	When I don´t like the smell of a soap, I don´t use it.
Ass	When I smell delicious food, I get hungry.
Con	When I smell smoke on a street, I try to locate the odor.
Ass	I feel rather quickly disturbed by odours in my environment.
Ass	Certain smells immediately activate lots of memories.
App	Before drinking lemonade/tee, I intentionally smell it.
App	For tomatoes or pineapples, I find it important how they smell.
Con	If my parents have a nasty smell, I try to stay away.
Ass	Certain smells make me really happy.
App	I smell my clothes to judge whether I can still use them or if they need to be washed.
Con	When there is a nasty smell in a room, I leave the room as soon as possible.
Ass	Some odours are really interesting to me.
App	I know, if someone has smoked, because I smell it.
Con	I love presents which smell well.