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. 2020 Aug 24;23(3):609–613. doi: 10.1093/ntr/ntaa158

Table 2.

Incidence of Wave 2 Past 30-day Cigarette and E-cigarette Use by Wave 1 Past 30-day Cannabis Use Status Among Youth Who Were Tobacco Naive at Wave 1 (PATH Waves 1 and 2, Ages 12–17)

Past 30-day cannabis use at Wave 1 Cannabis use versus no cannabis use
No cannabis use Cannabis use
Past 30-day tobacco product use at Wave 2a N  b %c N  b %c OR (95% CI) aORd (95% CI)
Cigarette use (any use) 213 2.3 32 16.9 8.7 (5.4, 14.0) 5.7 (3.6, 9.1)
E-cigarette use (any use) 246 2.8 29 16.1 6.8 (4.5, 10.1) 4.5 (2.9, 6.9)
Dual product usee 59 0.6 13 7.5 12.5 (6.5, 24.4) 7.6 (4.0, 14.3)
Cigarette use (exclusive use) 149 1.6 19 9.2 6.3 (3.6, 10.9) 4.4 (2.5, 7.7)
E-cigarette use (exclusive use) 187 2.1 16 8.5 4.4 (2.4, 7.9) 3.1 (1.7, 5.7)

Subgroup totals may not add up due to missing values (eg, dual product use + cigarette use [exclusive use] vs cigarette use [any use]).aOR = adjusted odds ratio; CI = confidence interval; OR = odds ratio; PATH = Population Assessment of Tobacco and Health Study.

a“Cigarette use (any use)” and “e-cigarette use (any use)” included all participants who reported cigarette or e-cigarette use, respectively (regardless of whether they reported use of the other product). “Cigarette use (exclusive use)” and “e-cigarette use (exclusive use)” included only participants who reported cigarette use and no e-cigarette use or participants who reported e-cigarette use and no cigarette use, respectively.

bUnweighted N.

cWeighted %.

dAdjusted for race, gender, and age.

eUse of both cigarettes and e-cigarettes in the past month.