VTD251B // How long ago, in hours, has it been since {you/she/he} spent time at a swimming pool, in a hot tub, or in a steam room?| 数据集 | nhanes2018 · NHANES 2017-2018 Cycle |
| 类型 | categorical |
| 角色 | |
| 数据文件 | VTQ_J |
| 关键词 |
| 编码 | 含义 |
|---|---|
2 to 48 | Range of Values |
0 | Less than one hour |