Value | Category |
---|---|
1 | I have not used an electronic cigarette during the past 30 days |
2 | I bought it on the Internet |
3 | I bought it at a sales point |
4 | I received it as a gift |
5 | A friend gave it to me |
6 | Parents gave it to me |
7 | I obtained it in another way |
Sysmiss |