| Variable | Data Type | Components | Allowable Codes |
|---|---|---|---|
| q1alc | integer | In your entire life, have you had at least 12 drinks of any kind of alcoholic beverage? | 1 = Yes 2 = No 8 = Don't know 9 = Refused Null = Missing |
| q2alc | integer | In the past 12 months, did you have at least 12 drinks of any kind of alcoholic beverage? | |
| q6alc | integer | In your entire life, when you drank the most,
about how often did you drink any type of alcoholic beverage, including beer, wine, an liquor? |
1 = 6+ bottles or cans / day 2 = 4-5 bottles or cans / day 3 = 2-3 bottles or cans / day 4 = 1 bottle or can / day 5 = 5-6 bottles or cans / week 6 = 2-4 bottles or cans / week 7 = 1 bottle or can / week 8 = 1-3 bottles or cans / month 9 = < 1 bottle or can / month 88 = Don't know 99 = Refused Null = Missing |
if q1alc = 2 or q2alc = 2 then ldai = 0.0
else process q6alc to ldai as:
| q6alc | description | ldai |
| 1 | 6+ drinks/day | 6.0 |
| 2 | 4-5 drinks/day | 4.5 |
| 3 | 2-3 drinks/day | 2.5 |
| 4 | 1 drink/day | 1.0 |
| 5 | 5-6 drinks/week | 0.8 |
| 6 | 2-4 drinks/week | 0.4 |
| 7 | 1 drink/week | 0.2 |
| 8 | 1-3 drinks/month | 0.1 |
| 9 | < 1 drink/month | 0.0 |