| Value | Category |
|---|---|
| 1 | Yes, everyday |
| 2 | Yes, 5 to 6 times a week |
| 3 | Yes, 3 to 4 times a week |
| 4 | Yes, 1 to 2 times a week |
| 5 | Yes, 1-3 days a month |
| 6 | Yes, 1-11 times a year |
| 7 | No, I had never drink alcohol more than 5 drinks |
| 8 | No, I quit drinking for more than 12 months |
| Sysmiss |