VTQ233B // When did {you/she/he} last spend 10 or more minutes inhaling smoke?

attributes · 属性

数据集nhanes2018 · NHANES 2017-2018 Cycle
类型categorical
角色
数据文件VTQ_J
关键词

取值编码

编码含义
1Today
2Yesterday
3More than 2 days