OHQ555U // We would like you to think of the time when {SP} started brushing {his/her} teeth either with your help or alone. At what age did {SP} start brushing {his/her} teeth?| 数据集 | nhanes2018 · NHANES 2017-2018 Cycle |
| 类型 | categorical |
| 角色 | |
| 数据文件 | OHQ_J |
| 关键词 |
| 编码 | 含义 |
|---|---|
1 | Months |
2 | Years |