Table 2.
Point estimates and confidence limits by outcome measures, survey pair, and cohort.
| Survey pair and outcome | 15 to 17-year-old | 18 to 24-year-old | ||||||||
|
|
Sample, n | (%), estimate (95% CI) | Sample, n | (%), estimate (95% CI) | ||||||
| Pair 1 | ||||||||||
|
|
TLCa | 998 |
|
2363 |
|
|||||
|
|
|
Cigarette |
|
2.2 (1.3-3.1) |
|
6.7 (5.5-7.9) | ||||
|
|
|
e-Cigarette |
|
8.2 (6.2-10.2) |
|
15.0 (13.2-16.7) | ||||
|
|
CTOb | 1041 |
|
2747 |
|
|||||
|
|
|
Cigarette |
|
5.5 (3.7-7.4) |
|
22.1 (19.9-24.2) | ||||
|
|
|
e-Cigarette |
|
10.4 (7.9-12.9) |
|
25.5 (23.1-27.9) | ||||
| Pair 2 | ||||||||||
|
|
TLC | 422 |
|
1019 |
|
|||||
|
|
|
Cigarette |
|
1.2 (0.1-2.2) |
|
6.7 (4.8-8.6) | ||||
|
|
|
e-Cigarette |
|
7.0 (4.5-9.5) |
|
17.4 (14.6-20.3) | ||||
|
|
CTO | 1112 |
|
2876 |
|
|||||
|
|
|
Cigarette |
|
6.1 (4.4-7.9) |
|
22.3 (20.2-24.5) | ||||
|
|
|
e-Cigarette |
|
14.0 (11.4-16.6) |
|
27.5 (25.1-29.9) | ||||
| Pair 3 | ||||||||||
|
|
TLC | 555 |
|
1229 |
|
|||||
|
|
|
Cigarette |
|
3.0 (1.4-4.7) |
|
6.9 (5.2-8.7) | ||||
|
|
|
e-Cigarette |
|
5.7 (3.6-7.8) |
|
18.1 (15.5-20.7) | ||||
|
|
CTO | 857 |
|
2113 |
|
|||||
|
|
|
Cigarette |
|
5.7 (3.9-7.6) |
|
25.0 (22.3-27.7) | ||||
|
|
|
e-Cigarette |
|
12.4 (9.5-15.4) |
|
28.8 (25.9-31.7) | ||||
aTLC: Truth Longitudinal Cohort.
bCTO: Continuous Tracker Online.