TABLE 3—
Prevalence of Past-30-Day E-Cigarette Use Among Youths Aged 12–16 Years by Use Frequency, Sex, World Bank Income Level, Cigarette Smoking, and Other Tobacco Use in 68 Countries and Territories: 2012–2019
| Group | No. of Countries or Territories | ≥ 1 Day, % (95% CI) | ≥ 3 Days, % (95% CI) | ≥ 6 Days, % (95% CI) | ≥ 10 Days, % (95% CI) | ||||||||
| Total | Male | Female | Total | Male | Female | Total | Male | Female | Total | Male | Female | ||
| World Bank income level | |||||||||||||
| Low | 4 | 14.3b (11.1, 17.4) | 23.6b (17.7, 29.5) | 7.1a (5.3, 8.9) | 5.3b (3.8, 6.8) | 9.1b (6.5, 11.7) | 2.0a (1.2, 2.7) | 2.6b (1.8, 3.3) | 4.3b (2.7, 6.0) | 1.1a (0.6, 1.6) | 1.4 (1.0, 1.8) | 2.2 (1.4, 2.9) | 0.7a (0.4, 0.9) |
| Middle | 17 | 8.1 (6.5, 9.7) | 10.3 (8.0, 12.6) | 5.4a (4.3, 6.5) | 3.0 (2.3, 3.7) | 4.0 (3.1, 4.9) | 1.7a (1.2, 2.2) | 1.6 (1.2, 2.0) | 2.3 (1.6, 2.9) | 0.8a (0.6, 1.1) | 1.1 (0.8, 1.4) | 1.5 (1.1, 1.9) | 0.5a (0.3, 0.6) |
| Upper-middle | 29 | 8.1 (6.8, 9.3) | 10.3 (8.7, 12.0) | 5.6a (4.8, 6.5) | 3.1 (2.6, 3.6) | 4.1 (3.4, 4.9) | 1.9a (1.5, 2.3) | 1.7 (1.4, 2.0) | 2.4 (2.0, 2.8) | 0.9a (0.7, 1.1) | 1.0 (0.9, 1.2) | 1.6 (1.3, 1.9) | 0.7a,b (0.5, 0.8) |
| High | 18 | 11.0b (8.1, 13.9) | 12.9 (9.7, 16.2) | 8.9a,b (6.4, 11.4) | 5.5b (4.0, 7.1) | 6.7b (5.0, 8.5) | 4.0a,b (2.9, 5.2) | 3.5b (2.6, 4.3) | 4.3b (3.2, 5.4) | 2.3a,b (1.6, 3.1) | 2.4b (1.8, 3.0) | 3.2b (2.3, 4.1) | 1.5a,b (1.0, 1.9) |
| Cigarette smoking | |||||||||||||
| No | 68 | 5.7 (5.0, 6.4) | 7.2 (6.3, 8.1) | 4.1a (3.6, 4.7) | 1.8 (1.6, 2.1) | 2.4 (2.1, 2.7) | 1.1a (1.0, 1.3) | 1.0 (0.9, 1.2) | 1.3 (1.1, 1.5) | 0.7a (0.5, 0.8) | 0.7 (0.5, 0.8) | 0.8 (0.7, 1.0) | 0.4a (0.3, 0.5) |
| Yes | 68 | 33.5c (29.2, 37.8) | 35.5c (31.2, 39.8) | 29.9a,c (25.8, 34.1) | 17.5c (14.9, 20.2) | 19.2c (16.2, 22.1) | 15.1a,c (12.7, 17.5) | 10.6c (8.9, 12.2) | 12.3c (10.3, 14.2) | 7.7a,c (6.3, 9.1) | 7.2c (6.0, 8.4) | 8.6c (7.1, 10.1) | 4.7a,c (3.7, 5.6) |
| Other tobacco products use | |||||||||||||
| No | 68 | 7.5 (6.7, 8.2) | 8.6 (7.8, 9.5) | 5.2a (4.6, 5.8) | 2.1 (1.8, 2.4) | 2.7 (2.4, 3.0) | 1.5a (1.2, 1.9) | 1.3 (1.1, 1.5) | 1.6 (1.4, 1.8) | 1.1a (0.9, 1.3) | 0.8 (0.5, 1.0) | 0.9 (0.7, 1.1) | 0.6a (0.5, 0.7) |
| Yes | 68 | 23.2d (21.0, 25.3) | 26.5d (23.2, 29.7) | 20.3a,d (18.7, 21.8) | 13.6d (11.5, 15.6) | 15.8d (13.6, 17.9) | 12.6a,d (11.2, 13.0) | 9.8 (9.5, 10.1) | 11.3d (10.2, 12.3) | 6.8a,d (6.1, 7.5) | 6.6d (5.8, 7.4) | 7.2d (6.6, 7.8) | 4.5a,d (3.4, 5.5) |
Note. CI = confidence interval.
aThere was a statistical significance between sexes.
bThere was a statistically significant difference compared with middle-income countries.
cThere was a statistically significant difference between cigarette smoking statuses.
dThere was a statistically significant difference between other tobacco products use statuses.