codebook / nhanes2018 / SMD030

SMD030 // How old {were you/was SP} when {you/s/he} first started to smoke cigarettes fairly regularly?

→ 用此变量开始分析 ← 返回数据集

attributes · 属性

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

取值编码

编码含义
7 to 76Range of Values
0Never smoked cigarettes regularly