Table 2. Recreational nitrous oxide use in the total population (N = 555).

Nitrous oxide use	N (%)
In whole life [3]
Never	466 (84.4)
1 time	35 (6.3)
2 times	17 (3.1)
3 times	13 (2.4)
4–10 times	14 (2.5)
≥ 11 times	7 (1.3)
For the participants who did not use nitrous oxide: Do you think you will ever use nitrous oxide? [89]
Definitely	26 (5.6)
Maybe	89 (19.1)
Probably not	67 (14.4)
Definitely not	200 (42.9)
I do not know	84 (18.0)
For the participants who did use nitrous oxide before: Do you think you will use nitrous oxide again? [469]
Definitely	45 (52.3)
Maybe	35 (40.7)
Never again	6 (7.0)

Note: [number of missing answers].