Table 2.
Sample Weighted Geometric Mean Concentrations and 95% Confidence Intervals for Tobacco Users and Non-users Subdivided by Analyte and Category
| Nicotine (µg/g creat) |
Cotinine (µg/g creat) |
Hydroxycotinine (µg/g creat) |
TNE2* (µmol/g creat) |
TNE3* (µmol/g creat) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Daily | Intermittent | Daily | Intermittent | Daily | Intermittent | Daily | Intermittent | Daily | Intermittent | |
| Tobacco users | ||||||||||
| All users (n) |
1281 [1218, 1347] 5610 |
177 [156, 201] 1900 |
2845 [2736, 2958] 5674 |
37.3 [31.1, 44.8] 3201 |
4877 [4655, 5110] 5674 |
65.0 [53.9, 78.4] 3201 |
43.7 [41.9, 45.5] 5674 |
0.58 [0.48,0.70] 3201 |
57.6 [55.6, 59.5] 5610 |
12.0 [10.9, 13.3] 1900 |
| Combustible (n) | 1281 [1192, 1377] 3150 |
172 [146, 202] 1374 |
2776 [2629, 2932] 3180 |
31.5 [25.9, 38.3] 2385 |
4800 [4492, 5129] 3180 |
54.1 [44.4, 66.0] 2385 |
42.9 [40.5, 45.4] 3180 |
0.49 [0.40, 0.59] 2385 |
56.3 [53.9, 58.7] 3150 |
11.6 [10.4, 13.0] 1374 |
| Smokeless (n) |
1931 [1690, 2206] 349 |
294 [167, 517] 98 |
4323 [3781, 4943] 355 |
292 [129, 660] 121 |
7923 [6949, 9034] 355 |
517 [229, 1167] 121 |
68.7 [60.4, 78.2] 355 |
4.57 [2.04, 10.2] 121 |
92.6 [83.8, 102] 349 |
21.6 [14.4, 32.4] 98 |
| E-cigarette (n) |
785 [620, 993] 148 |
77.5 [33.6, 179] 43 |
1691 [1217, 2351] 152 |
8.16 [4.17, 16.0] 106 |
2934 [2124, 4052] 152 |
16.1 [8.61, 30.0] 106 |
26.3 [19.2, 36.1] 152 |
0.14 [0.07, 0.26] 106 |
37.0 [30.2, 45.3] 148 |
4.69 [2.34, 9.41] 43 |
| Polyuser (n) |
1230 [1151, 1314] 1963 |
195 [147, 259] 385 |
2894 [2729, 3070] 1987 |
78.7 [54.7, 113] 589 |
4798 [4489, 5129] 1987 |
143 [99.3, 207] 589 |
43.4 [40.9, 46.1] 1987 |
1.25 [0.87, 1.80] 589 |
57.3 [54.4, 60.4] 1963 |
13.5 [11.0, 16.7] 385 |
| Cigarette (n) |
1451 [1325, 1590] 2021 |
303 [243, 378] 684 |
3063 [2876, 3263] 2037 |
272 [193, 383] 837 |
5242 [4826, 5694] 2037 |
485 [341, 688] 837 |
46.9 [43.8, 50.3] 2037 |
4.34 [3.07, 6.13] 837 |
61.5 [58.2, 65.0] 2021 |
18.7 [16.0, 21.8] 684 |
| Cotinine (µg/g creat) |
Hydroxycotinine (µg/g creat) |
TNE2* (µmol/g creat) |
||||||||
| All | Non-SHS | SHS | All | Non-SHS | SHS | All | Non-SHS | SHS | ||
| Non-users | ||||||||||
| All non-users (n) | 0.49 [0.42, 0.57] 2098 |
0.34 [0.30, 0.40] 1373 |
1.13 [0.86, 1.48] 725 |
0.81 [0.70, 0.94] 2098 |
0.57 [0.49, 0.65] 1373 |
1.95 [1.45, 2.62] 725 |
0.007 [0.006, 0.008] 2098 |
0.005 [0.004, 0.006] 1373 |
0.017 [0.013, 0.023] 725 |
|
| Never users (n) |
0.42 [0.36, 0.49] 1541 |
0.31 [0.27, 0.35] 1082 |
0.95 [0.70, 1.27] 459 |
0.69 [0.59, 0.81] 1541 |
0.50 [0.43, 0.58] 1082 |
1.62 [1.16, 2.27] 459 |
0.006 [0.005, 0.007] 1541 |
0.005 [0.004, 0.005] 1082 |
0.015 [0.011, 0.020] 459 |
|
| Former users (n) | 1.36 [0.96, 1.92] 557 |
0.89 [0.57, 1.38] 291 |
2.64 [1.50, 4.65] 266 |
2.44 [1.70, 3.51] 557 |
1.58 [1.01, 2.48] 291 |
4.78 [2.69, 8.49] 266 |
0.021 [0.015, 0.030] 557 |
0.014 [0.009, 0.021] 291 |
0.042 [0.024, 0.074] 266 |
|
*TNE2 = (total cotinine/176.2151) + (total trans-3′-hydroxycotinine/192.2145) nmol/mL; TNE3 = (total nicotine/162.2316) + (total cotinine/176.2151) + (total trans-3′-hydroxycotinine/192.2145) nmol/mL.