Table 2.

Pre-ban and post-ban urinary total cotinine and total NNAL levels in nonsmoking hospitality workers

ID	When	Total Cotinine		Total NNAL
		ng/mL1	nmol/mg creatinine2	pmol/mL1	pmol/mg creatinine2
1	Pre-ban	26	11.4	LOD	LOD
	Post-ban	5	3.2	LOD	LOD
2	Pre-ban	39	23.9	0.168	0.103
	Post-ban	5	8.6	0.026	0.0448
3	Pre-ban	18	9.1	0.035	0.0179
	Post-ban	6	4.7	LOD	LOD
4	Pre-ban	12	21.4	LOD	LOD
	Post-ban	2	2.9	0.021	0.0304
5	Pre-ban	25	18.7	0.097	0.0726
	Post-ban	3	2.2	LOD	LOD
6	Pre-ban	26	10.1	0.049	0.0192
	Post-ban	LOD	LOD	LOD	LOD
7	Pre-ban	26	12.0	0.084	0.0387
	Post-ban	10	12.5	0.041	0.0516
8	Pre-ban	7	6.1	0.018	0.0157
	Post-ban	LOD	LOD	LOD	LOD
9	Pre-ban	42	25.9	0.127	0.0782
	Post-ban	7	3.9	0.019	0.0104
10	Pre-ban	LOD	LOD	0.008	0.0034
	Post-ban	3	Not available	LOD	LOD
11	Pre-ban	66	58.4	0.219	0.194
	Post-ban	LOD	LOD	LOD	LOD
12	Pre-ban	8	8.1	0.055	0.0553
	Post-ban	2	1.2	LOD	LOD
13	Pre-ban	LOD	LOD	LOD	LOD
	Post-ban	5	2.2	LOD	LOD
14	Pre-ban	390	500	0.069	0.0888
	Post-ban	9	20.0	0.022	0.0489
15	Pre-ban	18	14.3	0.104	0.0828
	Post-ban	LOD	LOD	LOD	LOD
16	Pre-ban	4	3.3	LOD	LOD
	Post-ban	LOD	LOD	0.017	0.0120
17	Pre-ban	LOD	LOD	LOD	LOD
	Post-ban	LOD	LOD	LOD	LOD
18	Pre-ban	6	5.1	LOD	LOD
	Post-ban	LOD	LOD	LOD	LOD
19	Pre-ban	3	5.5	0.050	0.0909
	Post-ban	LOD	LOD	LOD	LOD
20	Pre-ban	9	6.8	0.038	0.0288
	Post-ban	LOD	LOD	LOD	LOD
21	Pre-ban	5	6.9	LOD	LOD
	Post-ban	2	2.3	LOD	LOD
22	Pre-ban	7	5.3	0.092	0.0692
	Post-ban	LOD	LOD	LOD	LOD
23	Pre-ban	15	20.5	LOD	LOD
	Post-ban	LOD	LOD	LOD	LOD
24	Pre-ban	1820	1456	0.763	0.611
	Post-ban	651	455	0.509	0.356

¹Unadjusted for creatinine

²Adjusted for creatinine; total cotinine limit of detection (LOD) =1.0 ng per mg creatinine and total NNAL LOD = 0.0025 pmol per mg creatinine