RHQ010 // The next series of questions are about {your/SP's} reproductive history. I will begin by asking about {your/SP's} periods or menstrual cycles. How old {were you/was SP} when {you/SP} had {your/her} first menstrual period?| 数据集 | nhanes2018 · NHANES 2017-2018 Cycle |
| 类型 | categorical |
| 角色 | |
| 数据文件 | RHQ_J |
| 关键词 |
| 编码 | 含义 |
|---|---|
6 to 19 | Range of Values |
0 | Hasn't started yet |
20 | 20 years or older |