RHD180 // How old {were you/was SP} at the time of {your/her} first live birth?| dataset | nhanes2018 · NHANES 2017-2018 Cycle |
| type | categorical |
| role | |
| data file | RHQ_J |
| keywords |
| code | meaning |
|---|---|
15 to 42 | Range of Values |
14 | 14 years or under |
45 | 45 years or older |