URDNICLC // Nicotine, urine Comment Code| dataset | nhanes2018 · NHANES 2017-2018 Cycle |
| type | categorical |
| role | |
| data file | UCOT_J |
| keywords |
| code | meaning |
|---|---|
0 | At or above detection limit |
1 | Below lower detection limit |
2 | Result not obtained, cotinine (URXCOTT) result below 20 ng/mL |