givblood // r donated blood during the past 12 months| 数据集 | gss2022 · General Social Survey 2022 |
| 类型 | categorical |
| 角色 | |
| 数据文件 | |
| 关键词 |
| 编码 | 含义 |
|---|---|
1 | more than once a week |
2 | once a week |
3 | once a month |
4 | at least 2 or 3 times in the past year |
5 | once in the past year |
6 | not at all in the past year |