DUQ420 // Think about the period of your life when you injected drugs the most often. How often did you inject then?| 数据集 | nhanes2018 · NHANES 2017-2018 Cycle |
| 类型 | categorical |
| 角色 | |
| 数据文件 | DUQ_J |
| 关键词 |
| 编码 | 含义 |
|---|---|
1 | More than once a day, |
2 | About once a day, |
3 | At least once a week but not every day, |
4 | At least once a month but not every week, |
5 | Less than once a month |