Table 3.
Association of Non-cigarette Tobacco Product Ever Use with Subsequent Cigarette Use by Race, Population Assessment of Tobacco and Health Study, 2013–2018 (n = 29 788)a
| Cigarette ever use | Cigarette past-30-day use | |||
|---|---|---|---|---|
| Use at exposure waveb | Weighted, unadjusted cigarette ever use, %c | OR (95% CI)d | Weighted, unadjusted cigarette past 30-d use, %c | OR (95% CI)d |
| White: (n = 14 025) | ||||
| E-cigarette | ||||
| Never | 3.6 | 1 [Reference] | 1.7 | 1 [Reference] |
| Ever | 20.3 | 3.05 (2.19–4.24) | 10.7 | 3.04 (1.98–4.66) |
| Cigar | ||||
| Never | 4.4 | 1 [Reference] | 2.1 | 1 [Reference] |
| Ever | 23.6 | 1.76 (1.08–2.85) | 11.4 | 1.37 (0.69–2.72) |
| Other | ||||
| Never | 4.1 | 1 [Reference] | 1.9 | 1 [Reference] |
| Ever | 18.2 | 1.66 (1.14–2.41) | 9.7 | 1.75 (1.03–2.96) |
| Black (n = 4187) | ||||
| E-cigarette | ||||
| Never | 2.3 | 1 [Reference] | 1.1 | 1 [Reference] |
| Ever | 7.6 | 1.35 (0.70–2.58) | 4.3 | 1.18 (0.51–2.74) |
| Cigar | ||||
| Never | 2.2 | 1 [Reference] | 1.0 | 1 [Reference] |
| Ever | 11.4 | 2.60 (1.36–4.98) | 7.6 | 2.68 (1.21–5.93) |
| Other | ||||
| Never | 2.4 | 1 [Reference] | 1.2 | 1 [Reference] |
| Ever | 6.0 | 1.12 (0.48–2.61) | 3.7 | 1.37 (0.50–3.77) |
| Hispanic (n = 8824) | ||||
| E-cigarette | ||||
| Never | 3.1 | 1 [Reference] | 1.4 | 1 [Reference] |
| Ever | 16.6 | 3.34 (2.24–4.99) | 7.1 | 2.66 (1.44–4.92) |
| Cigar | ||||
| Never | 3.8 | 1 [Reference] | 1.6 | 1 [Reference] |
| Ever | 22.2 | 2.42 (1.09–5.36) | 12.2 | 3.22 (1.08–9.61) |
| Other | ||||
| Never | 3.4 | 1 [Reference] | 1.5 | 1 [Reference] |
| Ever | 12.3 | 1.53 (0.97–2.40) | 6.6 | 1.90 (0.96–3.76) |
e-cigarette, electronic cigarette; OR, odds ratio; CI, confidence interval.
aNs denote Person-interval counts. Intervals included respondents with data for at least two consecutive exposure wave and outcome waves, creating the potential for up to three time-varying within-person observations per respondent (W1-W2, W2-W3, W3-W4).
bExposure wave is defined as the first wave within each specific interval. Youths were considered to have prior non-cigarette tobacco use if they started using e-cigarettes, cigars, or other non-cigarette tobacco products prior to the interval exposure wave.
cPercentages were weighted using the most recent sample weight available per person. Guidelines for the Restricted Use Files of the Population Assessment of Tobacco and Health Study prohibit the reporting of cell counts.
dRegression models were adjusted for sex, age, race/ethnicity, parental education level (bachelors or higher), ever alcohol use, ever marijuana use, ever prescription drug abuse, interval, and cigarette susceptibility