| Value | Category | 
|---|---|
| -9 | Don't Know | 
| -8 | Refused | 
| -5 | Not Applicable | 
| -3 | Missing | 
| 1 | I have never drunk alcohol | 
| 2 | I no longer drink alcohol | 
| 3 | I drink very rarely | 
| 4 | Less than once a week | 
| 5 | On 1 or 2 days a week | 
| 6 | On 3 or 4 days a week | 
| 7 | On 5 or 6 days a week | 
| 8 | Every day | 
| Sysmiss |