| Value | Category |
|---|---|
| 1 | Yes, a few days or less |
| 2 | Yes, less than 1 month but more than a few days |
| 3 | Yes more than 1 month but less than 1 year |
| 4 | Any number of years more than 1 year but less than life |
| 5 | Yes, for life |
| 6 | Yes, until they feel better |
| 8 | Don't know |
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