Progression to Daily Tobacco Use among Nondaily Ever Tobacco Users at Baseline in the 2014 and 2017 PATH Cohorts
| Age at Baselinea . | 2014 PATH Cohort . | 2017 PATH Cohort . | Increase in New Daily Tobacco Use in 2017 Cohort . | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nondaily Tobacco Users in 2014 (n) . | Progression from Nondaily to Daily Tobacco Use, 2016 . | Nondaily Tobacco Users in 2017 (n) . | Progression from Nondaily to Daily Tobacco Use, 2019 . | US Population Estimate (N) . | % of All New Daily Users . | |||||
| %c . | 95% CI . | US Population Estimate (N) . | %b . | 95% CI . | US Population Estimate (N) . | |||||
| 14–17 | 7051 | 4.8 | 4.3–5.5 | 775 504 | 8585 | 6.3 | 5.8–7.0 | 1 030 957 | 255 453 | 64.60 |
| 18–21 | 2938 | 5.8 | 4.8–6.8 | 840 154 | 5587 | 6.3 | 5.6–7.1 | 971 496 | 131 342 | 33.20 |
| 22–25 | 2369 | 5.2 | 4.4–6.1 | 721 298 | 2987 | 5.3 | 4.5–6.1 | 726 049 | 4751 | 1.20 |
| 26–29 | 1181 | 5.6 | 4.4–7.1 | 681 767 | 1878 | 5.4 | 4.3–6.8 | 717 815 | 36 048 | 9.10 |
| 30–34 | 1437 | 3.7 | 2.9–4.6 | 617 338 | 1563 | 3.5 | 2.6–4.6 | 585 341 | −31 997 | −8.10 |
| Total | 14 976 | 4.9 | 4.5–5.4 | 3 636 060 | 20 600 | 5.3 | 4.9–5.8 | 4 031 657 | 395 597 | 100 |
| Age at Baselinea . | 2014 PATH Cohort . | 2017 PATH Cohort . | Increase in New Daily Tobacco Use in 2017 Cohort . | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nondaily Tobacco Users in 2014 (n) . | Progression from Nondaily to Daily Tobacco Use, 2016 . | Nondaily Tobacco Users in 2017 (n) . | Progression from Nondaily to Daily Tobacco Use, 2019 . | US Population Estimate (N) . | % of All New Daily Users . | |||||
| %c . | 95% CI . | US Population Estimate (N) . | %b . | 95% CI . | US Population Estimate (N) . | |||||
| 14–17 | 7051 | 4.8 | 4.3–5.5 | 775 504 | 8585 | 6.3 | 5.8–7.0 | 1 030 957 | 255 453 | 64.60 |
| 18–21 | 2938 | 5.8 | 4.8–6.8 | 840 154 | 5587 | 6.3 | 5.6–7.1 | 971 496 | 131 342 | 33.20 |
| 22–25 | 2369 | 5.2 | 4.4–6.1 | 721 298 | 2987 | 5.3 | 4.5–6.1 | 726 049 | 4751 | 1.20 |
| 26–29 | 1181 | 5.6 | 4.4–7.1 | 681 767 | 1878 | 5.4 | 4.3–6.8 | 717 815 | 36 048 | 9.10 |
| 30–34 | 1437 | 3.7 | 2.9–4.6 | 617 338 | 1563 | 3.5 | 2.6–4.6 | 585 341 | −31 997 | −8.10 |
| Total | 14 976 | 4.9 | 4.5–5.4 | 3 636 060 | 20 600 | 5.3 | 4.9–5.8 | 4 031 657 | 395 597 | 100 |
Tobacco use means any cigarettes, e-cigarettes, cigars (traditional, filtered, regular), cigarillos, pipes, hookahs, snus, and smokeless tobacco.
Baseline for pre-JUUL cohort is 2014; baseline for JUUL-era cohort is 2017.
Percentage of nondaily tobacco users who progressed to daily use over a 2-year follow-up.