q_hh_l3 // What is the source of this water?| 数据集 | chns2015 · 中国健康与营养调查 CHNS 2015 |
| 类型 | categorical |
| 角色 | |
| 数据文件 | |
| 关键词 |
| 编码 | 含义 |
|---|---|
1 | ground water (>5 meters) |
2 | open well (≤ 5 meters) |
3 | creek, spring, river, lake |
4 | ice/snow |
5 | water plant |
6 | Bottle water/ spring water or purified water |
7 | other (specify: __________) |