Table 2.
Distribution of Youth Observation of E-cigarette Use in or Around School, NYTS, 2019 (n=19,018)
| Overall | School levelb | E-cigarette use status, weighted % (95% CI)b | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Observations | n | Weigh ted % (95% CI) | Weigh ted n (thous ands)a | Middle school, weighted % (95% CI) | High school, weighted % (95% CI) | P-valuec | Never use, weighted % (95% CI) | Former use, weighted % (95% CI) | Past 30-day use, weigh ted % (95% CI) | P-valuec |
| Venue | ||||||||||
| Inside a school bathroom or locker room | 6, 07 1 |
33.2 (30.9, 35.5) | 8,964 | 17.9 (15.8, 20.0) | 45.3 (42.0, 48.7) | <0.0001 | 25.8 (23.6, 27.9) | 48.1 (44.6, 51.7) | 46.7 (43.6, 49.8) | <0.0001 |
| Inside a classroom | 3, 83 4 |
21.4 (19.4, 23.5) | 5,792 | 8.8 (7.2, 10.5) | 31.4 (28.4, 34.5) | <0.0001 | 15.1 (13.4, 16.8) | 33.1 (29.5, 36.6) | 34.0 (31.0, 36.9) | <0.0001 |
| Inside some other area of the school (e.g, hallway, cafeteria) | 3, 52 3 |
19.8 (18.0, 21.6) | 5,338 | 8.5 (7.2, 9.8) | 28.7 (26.0, 31.5) | <0.0001 | 14.4 (12.7, 16.0) | 29.8 (26.3, 33.3) | 30.2 (27.6, 32.9) | <0.0001 |
| Outside of the schoold | 6, 01 7 |
32.8 (30.6, 34.9) | 8,851 | 20.5 (18.7, 22.4) | 42.5 (39.6, 45.4) | <0.0001 | 26.4 (24.3, 28.5) | 45.8 (42.7, 49.0) | 44.4 (41.6, 47.2) | <0.0001 |
| Somewhe re else not listed here | 5, 26 6 |
28.4 (27.2, 29.5) | 7,661 | 29.5 (27.7, 31.2) | 27.5 (26.0, 29.0) | 0.0877 | 27.5 (26.2, 28.7) | 33.7 (31.5, 36.0) | 27.7 (25.7, 29.7) | <0.0001 |
| Number of locations | ||||||||||
| 0 | 6, 94 2 |
36.1, (34.1, 38.1) | 9,502 | 48.0 (45.3, 50.7) | 26.6 (24.1, 29.0) | <0.0001 | 43.3 (41.2, 45.5) | 22.8 (20.4, 25.2) | 21.7 (19.2, 24.2) | <0.0001 |
| 1 | 6, 21 4 |
33.5 (32.4, 34.6) | 8,818 | 34.5 (32.8, 36.2) | 32.7 (31.2, 34.1) | 33.0 (31.8, 34.2) | 32.8 (30.1, 35.5) | 35.5 (33.5, 37.5) | ||
| 2 | 1, 55 4 |
8.4 (7.9, 8.9) | 2,222 | 7.7 (7.0, 8.4) | 9.0 (8.2, 9.8) | 7.9 (7.2, 8.5) | 9.8 (8.3, 11.3) | 9.2 (8.2, 10.3) | ||
| 3 | 1, 18 9 |
6.7 (6.1, 7.4) | 1,777 | 4.2 (3.6, 4.9) | 8.8 (7.8, 9.7) | 5.8 (5.2, 6.4) | 9.7 (8.0, 11.4) | 7.7 (6.5, 8.9) | ||
| 4 | 1, 44 8 |
8.2 (7.2, 9.1) | 2,148 | 3.0 (2.3, 3.7) | 12.3 (10.9, 13.6) | 5.2 (4.4, 5.9) | 11.8 (10.1, 13.5) | 15.4 (13.8, 17.1) | ||
| 5 | 1, 20 6 |
7.2 (6.2, 8.1) | 1,884 | 2.5 (2.0, 3.1) | 10.8 (9.2, 12.3) | 4.8 (4.1, 5.6) | 13.1 (10.3, 16.0) | 10.4 (8.9, 11.8) | ||
Notes: Boldface indicates statistical significance (p<0.05).
a
Weighted n based on the weighted total population estimate of 27,011,216 U.S. middle and high school students.
b
Weighted percentage (95% CI) within the column.
c
Rao–Scott χ2tests were performed to compare the prevalence by school level and e-cigarette use status.
d
Outside of the school, such as in the parking lot, on sidewalk, or on other school grounds.
NYTS, National Youth Tobacco Survey.