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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Am J Prev Med. 2020 Mar 5;58(5):657–665. doi: 10.1016/j.amepre.2020.01.003

Table 1.

Characteristics of Study Participants by Regular Cigarette Use Among Youth (aged 12–17 years): PATH, 2013–2016

Regular cigarette Usea
1-year progressionb (n=7,438) 2-year progressionc (n=7,185)

Characteristics n % (95% CI) n n, % (95% CI)
Current e-cigarette use No (n=7,400) Yes (n=38) No (n=7,126) Yes (n=59)
 No 7,217 99.7 (99.5, 99.8) 0.3 (0.2, 0.5) 7,129 99.2 (98.9, 99.4) 0.8 (0.6, 1.1)
 Yes 221 94.7 (91.1, 96.9) 5.3 (3.1, 8.9) 56 91.8 (80.9, 96.7) 8.2 (3.3, 19.1)
Age, years
 12–14 5,656 99.6 (99.4, 99.8) 0.4 (0.2, 0.6) 5,487 99.4 (99.1, 99.6) 0.6 (0.4, 0.9)
 15–17 1,782 99.1 (98.5, 99.5) 0.9 (0.5, 1.5) 1,698 98.3 (97.4, 98.9) 1.7 (1.1, 2.6)
Sex
 Female 3,584 99.5 (99.1, 99.7) 0.5 (0.3, 0.9) 3,447 99.2 (98.8, 99.4) 0.8 (0.6, 1.2)
 Male 3,854 99.5 (99.2, 99.7) 0.5 (0.3, 0.8) 3,738 99.1 (98.7, 99.4) 0.9 (0.6, 1.3)
Race/ethnicity
 White 3,512 99.3 (99.0, 99.6) 0.7 (0.4, 1.0) 3,384 98.9 (98.4, 99.2) 1.1 (0.8, 1.6)
 African American 1,028 99.7 (99.0, 99.9) 0.4 (0.1, 1.0) 1,006 99.5 (98.8, 99.8) 0.5 (0.2, 1.2)
 Hispanic 2,196 99.8 (99.4, 99.9) 0.2 (0.0, 0.6) 2,124 99.6 (99.2, 99.8) 0.4 (0.2, 0.8)
 Other 702 99.5 (98.6, 99.8) 0.5 (0.2, 1.4) 671 98.9 (97.9, 99.5) 1.1 (0.5, 2.2)
Parent’s educational level
 High school or less 2,853 99.3 (98.8, 99.6) 0.7 (0.5, 1.1) 2,736 98.7(98.1, 99.1) 1.3 (0.9, 1.9)
 Some college 2,316 99.4 (98.9, 99.7) 0.6 (0.3, 1.1) 2,235 99.0 (98.5, 99.4) 1.0 (0.6, 1.6)
 Bachelor’s degree or higher 2,229 99.8 (99.6, 99.9) 0.2 (0.0, 0.4) 2,175 99.7 (99.2, 99.9) 0.3 (0.1, 0.8)
Other tobacco productsd
 No 7,203 99.7 (99.6, 99.8) 0.3 (0.2, 0.5) 7,115 99.2 (99.0, 99.4) 0.8 (0.6, 1.0)
 Yes 235 93.6 (89.6, 96.1) 6.4 (3.9, 10.4) 69 89.3 (78.0, 95.2) 10.7 (4.8, 22.0)
Ever alcohol use
 No 5,357 99.8 (99.6, 99.9) 0.2 (0.1, 0.4) 5,225 99.5 (99.2, 99.7) 0.5 (0.3, 0.8)
 Yes 2,041 98.8 (98.3, 99.2) 1.2 (0.8, 1.7) 1,921 98.2 (97.4, 98.8) 1.8 (1.3, 2.6)
Ever marijuana use
 No 6,967 99.7 (99.5, 99.8) 0.3 (0.2, 0.5) 6,785 99.4 (99.2, 99.6) 0.6 (0.5, 0.9)
 Yes 221 98.7 (96.2, 99.5) 1.3 (0.5, 3.8) 182 98.6(95.5, 99.6) 1.4 (0.4, 4.6)
Ever prescription drug abuse
 No 6,884 99.6 (99.4, 99.7) 0.4 (0.3, 0.6) 7,126 99.1 (98.9, 99.4) 0.9 (0.7, 1.1)
 Yes 523 98.4 (96.9, 99.2) 1.6 (0.8, 3.1) 29 96.4 (74.1, 99.6) 3.6 (0.4, 25.9)
Lives with tobacco user
 No 5,582 99.7 (99.5, 99.8) 0.3 (0.2, 0.5) 4,779 99.6 (99.3, 99.8) 0.4 (0.2, 0.7)
 Yes 1,852 98.9 (98.3, 99.3) 1.1 (0.7, 1.7) 2,331 98.1 (97.3, 98.7) 1.9 (1.3, 2.7)
Sensation seeking, mean (SD)e 7,428 10.4 (2.8) 7.5 (2.9) 7,175 10.4 (2.8) 8.4 (3.1)
Susceptibility to cigarette smoking
 No 3,924 99.9 (99.8, 100.0) 0.1 (0.0, 0.2) 4,740 99.8 (99.6, 99.9) 0.2 (0.1, 0.4)
 Yes 3,065 99.6 (99.3, 99.8) 0.4 (0.2, 0.7) 2,088 98.9 (98.4, 99.3) 1.1 (0.7, 1.6)
Noticed cigarette health warning labels
 No 2,866 99.7 (99.4, 99.9) 0.3 (0.1, 0.6) 3,762 99.3 (98.8, 99.6) 0.7 (0.4, 1.2)
 Yes 4,550 99.4 (99.1, 99.6) 0.6 (0.5, 0.9) 3,212 99.0(98.5, 99.3) 1.0 (0.7, 1.5)
Any risk takingf
 No 2,422 99.9 (99.6, 100.0) 0.1 (0.0, 0.4) 2,910 99.6 (99.3, 99.8) 0.4 (0.2, 0.8)
 Yes 5,016 99.3 (99.0, 99.5) 0.7 (0.5, 1.0) 4,275 98.8 (98.4, 99.1) 1.2 (0.9, 1.6)

Notes: The samples of the 1-year and 2-year progressions are not mutually exclusive; n indicates the unweighted sample size, and numbers may not sum to the total because of missing data. Weighted percentages are row percentages. Boldface indicates statistical significance (p<0.05).

a

Regular cigarette use (i.e., the use of cigarettes on ≥20 days and compared with non-current cigarette use (i.e., those who had not used cigarettes in the past 30 days).

b

Variables are obtained from Wave 1 and/or Wave 2 and assessed the association with current cigarette use at Wave 2 and/or Wave 3 in the 1-year progression.

c

Wave 1 current e-cigarette use and covariates and Wave 3 current cigarette use in the 2-year progression.

d

Other tobacco products refers to the current use of the following tobacco products in the past 30 days: traditional cigar, cigarillos, filtered cigar, pipe, hookah, smokeless tobacco, snus, dissolvable tobacco, bidi, or kretek.

e

Higher sensation seeking scores reflect lower sensation seeking.

f

Any risk taking defined as at least an endorsement of any of the following: alcohol, marijuana, prescription drug abuse, sensationseeking, or susceptibility to cigarette smoking.

PATH, Population Assessment of Tobacco and Health.