Table 2.
TSE Patterns Overall and based on Child TSE Group Membership, NHANES 2013-2016
| TSE Variable | Overall | TSE Groupa |
||
|---|---|---|---|---|
| NEG | TEG | MEG | ||
|
| ||||
| n (% [95%CI])b | n (% [95%CI])b | n (% [95%CI])b | n (% [95%CI])b | |
| Number of Household Smokers | ||||
| 0 smokers | 3,369 (76 [75-78]) | 3,369 (100) | - | - |
| 1 smoker | 709 (14 [13-15]) | - | 495 (68 [64-73]) | 214 (43 [38-49]) |
| ≥2 smokers | 407 (10 [9-11]) | - | 206 (32 [28-36]) | 201 (57 [51-63]) |
| Car TSE | ||||
| No | 3,916 (88 [87-89]) | 3,187 (96 [95-97]) | 544 (73 [69-77]) | 185 (40 [35-47]) |
| Yes | 510 (12 [11-13]) | 134 (4 [3-5]) | 148 (27 [23-31]) | 228 (60 [54-66]) |
| Other Home TSE | ||||
| No | 4,143 (94 [93-95]) | 3,158 (95 [94-96]) | 647 (94 [92-96]) | 338 (83 [79-87]) |
| Yes | 272 (6 [5-7]) | 157 (5 [4-6]) | 42 (6 [4-8]) | 73 (17 [13-22]) |
| Restaurant TSE | ||||
| No | 4,399 (99 [99-100]) | 3,300 (99 [98-100]) | 687 (99 [98-100]) | 412 (100 [99-100]) |
| Yes | 25 (1 [0-1]) | 19 (1 [0-1]) | 5 (1 [0-1]) | 1 (0 [0-0]) |
| Other Indoor Area TSE | ||||
| No | 4,309 (97 [96-98]) | 3,258 (98 [97-99]) | 659 (95 [92-97]) | 392 (95 [92-97]) |
| Yes | 110 (3 [2-4]) | 63 (2 [1-3]) | 29 (5 [3-8]) | 18 (5 [3-8]) |
Abbreviations: TSE, tobacco smoke exposure; NEG, no/minimal TSE group; TEG, predominant thirdhand smoke exposure group; MEG, mixed secondhand and thirdhand smoke exposure group; CI, confidence interval.
a
TSE group membership was determined using questionnaire data only. Serum cotinine levels were assessed to biochemically confirm NEG had no/minimal cotinine levels.
b
n (% [95%CI]) refers to unweighted count and weighted column percent and 95%CIs.