Table 2.

Preban and postban urinary total cotinine and total NNAL levels in nonsmoking hospitality workers

IDWhenTotal cotinineTotal NNAL
ng/mL*ng/mg creatininepmol/mL*pmol/mg creatinine
1Preban2611.4LODLOD
Postban53.2LODLOD
2Preban3923.90.1680.103
Postban58.60.0260.0448
3Preban189.10.0350.0179
Postban64.7LODLOD
4Preban1221.4LODLOD
Postban22.90.0210.0304
5Preban2518.70.0970.0726
Postban32.2LODLOD
6Preban2610.10.0490.0192
PostbanLODLODLODLOD
7Preban2612.00.0840.0387
Postban1012.50.0410.0516
8Preban76.10.0180.0157
PostbanLODLODLODLOD
9Preban4225.90.1270.0782
Postban73.90.0190.0104
10PrebanLODLOD0.0080.0034
Postban3Not availableLODLOD
11Preban6658.40.2190.194
PostbanLODLODLODLOD
12Preban88.10.0550.0553
Postban21.2LODLOD
13PrebanLODLODLODLOD
Postban52.2LODLOD
14Preban3905000.0690.0888
Postban920.00.0220.0489
15Preban1814.30.1040.0828
PostbanLODLODLODLOD
16Preban43.3LODLOD
PostbanLODLOD0.0170.0120
17PrebanLODLODLODLOD
PostbanLODLODLODLOD
18Preban65.1LODLOD
PostbanLODLODLODLOD
19Preban35.50.0500.0909
PostbanLODLODLODLOD
20Preban96.80.0380.0288
PostbanLODLODLODLOD
21Preban56.9LODLOD
Postban22.3LODLOD
22Preban75.30.0920.0692
PostbanLODLODLODLOD
23Preban1520.5LODLOD
PostbanLODLODLODLOD
24Preban1,8201,4560.7630.611
Postban6514550.5090.356
  • *Unadjusted for creatinine.

  • Adjusted for creatinine; total cotinine limit of detection (LOD), 1.0 ng per mg creatinine; total NNAL LOD, 0.0025 pmol per mg creatinine.