Value | Category |
---|---|
1 | I did not use any e-cigarettes during the past 30 days |
2 | I bought them in a bar or tobacconist |
3 | I bought them in a specialized shop |
4 | I bought them in a pharmacy |
5 | I bought them in a newsstand |
6 | I bought them on the Internet |
7 | A relative/friend offered them to me |
8 | A stranger offered them to me |
Sysmiss |