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. 2021 Nov 20;24(5):768–777. doi: 10.1093/ntr/ntab206

Table 3.

Sample Weighted Geometric Mean Concentrations and 95% Confidence Intervals for Daily Tobacco Users Subdivided by Sex, Age, Race-Ethnicity and Education Attainment*

Combustible, µg/g creat Smokeless, µg/g creat E-cigarette, µg/g creat Polyuser, µg/g creat
NICT COTT HCTT NICT COTT HCTT NICT COTT HCTT NICT COTT HCTT
All users
(n)
1281 [1192,1377]
3,150
2776 [2629,2932]
3,180
4800 [4492,5129]
3,180
1931 [1690,2206]
349
4323 [3781,4943] 355 7923
[6949,9034]
355
785
[620,993]
148
1691 [1217,2351] 152 2934 [2124,4052] 152 1230 [1151,1314] 1,963 2894 [2729,3070] 1,987 4798 [4489,5129] 1,987
Female
(n)
1477 [1332,1638] 1,558 3268 [3023,3533] 1,571 5790 [5295,6331] 1,571 1780 [1113,2848]* 19 4729 [2938,7610]* 19 9774 [6714,14229]*
19
824
[567,1198]
89
1541 [900,2641]
93
2751 [1595,4745]
93
1445 [1278,1633] 748 3329 [3029,3659] 759 5934 [5332,6603] 759
Male
(n)
1117 [1015,1230] 1,592 2373 [2216,2542] 1,609 4009 [3698,4347] 1,609 1939 [1687,2228] 330 4305 [3741,4953] 336 7844
[6833,9005]
336
735
[554,976]
59
1930 [1498,2486]
59
3215 [2526,4091]
59
1116 [1018,1224] 1,215 2661 [2431,2913] 1,228 4224 [3875,4604] 1,228
Age 18–24
(n)
423
[343,521]
647
1638 [1428,1879] 652 2592 [2289,2936]
652
424
[284,632]
51
1115 [518,2396]* 55 1902
[918,3942]*
55
492 [239,1011]*
15
1325 [650,2703]*
15
2684 [1243,5795]* 15 491
[425,568]
592
1699 [1468,1966] 602 2729 [2302,3235] 602
Age 25–34
(n)
931 [792,1094] 672 2542 [2297,2814] 677 4394 [3894,4957]
677
1422 [981,2061]
60
3064 [2298,4085] 61 5342
[4010,7115]
61
603
[405,897]*
42
1532 [923,2543]*
43
2503 [1604,3908]* 43 1013 [868,1183]
482
2739 [2418,3102] 485 4289 [3878,4744] 485
Age 35–54
(n)
1616 [1454,1796] 1,190 3004 [2764,3265] 1,201 5170 [4691,5698] 1,201 2452 [2123,2833] 161 5512 [4919,6176] 161 10227 [8938,11702]
161
920
[656,1290]
60
2385 [1728,3294]
60
4074
[2801,5926]
60
1818 [1627,2031] 658 3461 [3101,3863] 666 5781 [5127,6518] 666
Age 55+
(n)
1852 [1683,2038] 641 3293 [2925,3707] 650 5955 [5122,6923]
650
2317 [1864,2880] 77 5245 [3779,7279] 78 9903 [7147,13722]
78
955 [544,1678]*
31
1178 [543,2556]*
34
2177 [916,5174]*
34
2126 [1888,2393] 231 4044 [3586,4561] 234 7590 [6578,8758] 234
Non-Hispanic White (n) 1612 [1487,1746] 2,039 3515 [3337,3703] 2,053 5750 [5377,6150] 2,053 1959 [1694,2267] 297 4585 [3984,5277] 301 8199
[7115,9447]
301
899
[704,1149]
123
1911 [1408,2593] 126 3245 [2384,4417] 126 1393 [1300,1492] 1,481 3415 [3218,3623] 1,493 5602 [5239,5989] 1,493
Non-Hispanic Black (n) 695
[578,835]
544
1506 [1299,1745] 550 3413 [2818,4135]
550
1149 [378,3494]* 15 1148 [288,4587]* 16 3449 [753,15794]*
16
254 [96.9,664]*
9
455 [146,1423]*
10
1081 [345,3391]*
10
760
[574,1006]
136
1264 [971,1645]
140
2716 [2109,3498] 140
Hispanic
(n)
770
[661,897]
348
1678 [1325,2126] 355 3150 [2400,4134]
355
2638 [1500,4638]* 10 6511 [4305,9847]* 10 11433 [7081,18459]*
10
222 [53.2,925]*
8
809 [150,4371]*
8
1651 [342,7975]*
8
581
[427,790]
174
1237 [918,1668]
180
2203 [1622,2993] 180
Other Race/ Multiracial (n) 1112 [839,1475] 219 2212 [1758,2782] 222 2677 [1884,3802]
222
1816 [1369,2410]* 27 3774 [1835,7764]* 28 7137 [3385,15052]*
28
1532 [648,3622]*
8
3693 [1981,6884]*
8
4347 [2028,9319]*
8
994
[744,1329]
172
2383 [1909,2973] 174 3130 [2355,4160] 174
Less than High School Diploma or GED (n) 1379 [1210,1570] 995 2770 [2485,3088] 1,009 4790 [4217,5441] 1,009 2274 [1843,2806] 88 4496 [3175,6366] 91 8723 [6172,12327]
91
1303 [942,1802]*
24
1850 [862,3974]*
25
2878 [1315,6301]* 25 1487 [1295,1707] 536 3126 [2733,3576] 541 5168 [4483,5958] 541
High School Diploma (n) 1363 [1185,1567] 826 2914 [2684,3163] 832 5133 [4638,5681]
832
2004 [1548,2595] 102 5061 [4117,6222] 103 8363 [6687,10459]
103
525
[347,794]*
36
1310 [816,2103]*
37
2524 [1597,3988]* 37 978
[842,1137]
490
2469 [2098,2906] 499 4228 [3600,4964] 499
Some College or Associates Degree (n) 1127 [975,1303] 1,119 2684 [2427,2967] 1,127 4683 [4181,5245] 1,127 1789 [1473,2173] 121 3734 [2812,4957] 123 7055
[5407,9206]
123
866
[561,1338]
65
1845 [1183,2878]
67
2958 [1760,4973]
67
1164 [1032,1313] 767 2900 [2648,3176] 777 4668 [4208,5179] 777
Bachelors or Advanced Degree (n) 1316 [1116,1551] 210 2648 [2263,3098] 212 4015 [3245,4968]
212
1506 [985,2304]* 38 3790 [2887,4976]* 38 7460 [5819,9563]*
38
743 [405,1365]*
23
1937 [1107,3388]* 23 3847 [2325,6367]* 23 1564 [1335,1831] 170 3408 [3007,3862] 170 5827 [4891,6942] 170

* Estimate should be interpreted with caution because it has low precision. It is based on a sample size of less than 50, or the relative standard error is larger than 30%.