Sociodemographic and tobacco use characteristics by survey year*
| Total (n=78 265) | 2014 (n=22 007) | 2015 (n=17 711) | 2016 (n=20 625) | 2017 (n=17 872) | P value | |
| % (95% CI) | ||||||
| Sociodemographic characteristics | ||||||
| Sex | 0.71 | |||||
| Female | 49.2 (48.4 to 49.9) | 49.8 (48.0 to 51.5) | 48.8 (47.2 to 50.4) | 49.4 (48.2 to 50.5) | 48.7 (47.4 to 49.9) | |
| Male | 50.8 (50.1 to 51.6) | 50.2 (48.5 to 52.0) | 51.2 (52.8 to 49.6) | 50.6 (49.5 to 51.8) | 51.3 (50.1 to 52.6) | |
| Age (years) | 0.931 | |||||
| ≤12 | 19.2 (17.9 to 20.5) | 18.7 (16.4 to 21.2) | 18.6 (15.7 to 21.8) | 19.3 (16.8 to 22.0) | 20.1 (17.7 to 22.9) | |
| 13 | 15.0 (13.9 to 16.1) | 15.3 (12.9 to 18.0) | 14.8 (12.7 to 17.2) | 15.2 (13.2 to 17.5) | 14.7 (13.0 to 16.6) | |
| 14 | 15.0 (14.4 to 15.5) | 14.7 (13.5 to 16.0) | 15.5 (14.3 to 16.9) | 15.1 (14.0 to 16.1) | 14.6 (13.6 to 15.6) | |
| 15 | 15.1 (14.3 to 15.9) | 14.9 (13.4 to 16.5) | 15.1 (13.5 to 16.9) | 14.8 (13.3 to 16.4) | 15.6 (14.1 to 17.2) | |
| 16 | 14.1 (13.4 to 14.9) | 14.1 (12.6 to 15.8) | 13.7 (12.2 to 15.5) | 14.5 (13.2 to 16.0) | 14.1 (12.7 to 15.6) | |
| 17+ | 21.7 (20.5 to 22.9) | 22.3 (19.9 to 25.0) | 22.2 (19.4 to 25.4) | 21.1 (19.1 to 23.4) | 20.9 (18.8 to 23.2) | |
| Ethnicity | 0.953 | |||||
| Non-Hispanic white | 57.0 (54.7 to 59.4) | 58.3 (52.5 to 63.8) | 56.8 (50.7 to 62.7) | 56.1 (50.3 to 61.7) | 57.0 (49.8 to 63.8) | |
| Non-Hispanic black | 13.9 (12.5 to 15.4) | 15.3 (12.0 to 19.4) | 14.2 (10.5 to 18.9) | 13.0 (10.0 to 16.9) | 13.1 (10.4 to 16.3) | |
| Hispanic | 23.9 (22.2 to 25.6) | 21.9 (18.4 to 25.8) | 23.8 (19.3 to 29.0) | 25.4 (21.1 to 30.3) | 24.3 (19.1 to 30.4) | |
| Non-Hispanic other | 5.2 (4.6 to 5.9) | 4.5 (3.5 to 5.8) | 5.2 (3.9 to 6.9) | 5.4 (4.4 to 6.7) | 5.7 (4.3 to 7.3) | |
| School† | 0.999 | |||||
| Middle school (grade 6–8) | 44.1 (41.2 to 47.0) | 43.9 (38.1 to 49.9) | 44.1 (37.6 to 50.8) | 44.2 (39.0 to 49.6) | 44.1 (38.8 to 49.4) | |
| High school (grade 9–12) | 55.9 (53.0 to 58.8) | 56.1 (50.1 to 61.9) | 55.9 (49.2 to 62.4) | 55.8 (50.4 to 61.0) | 55.9 (50.6 to 61.2) | |
| Tobacco use characteristics | ||||||
| Ever use | ||||||
| Any product | 34.1 (32.9 to 35.3) | 34.9 (33.0 to 37.0) | 37.0 (34.2 to 39.8) | 33.7 (31.7 to 35.7) | 30.7 (28.5 to 33.0) | 0.003 |
| Cigarettes | 20.3 (19.3 to 21.3) | 22.4 (20.8 to 24.2) | 22.0 (19.8 to 24.4) | 20.0 (18.0 to 22.2) | 16.8 (15.0 to 18.7) | 0.001 |
| Other combustible‡ | 21.1 (20.2 to 22.0) | 23.5 (22.0 to 25.1) | 22.8 (20.7 to 25.1) | 20.6 (19.1 to 22.2) | 17.5 (15.9 to 19.1) | <0.001 |
| E-cigarettes | 22.9 (21.9 to 24.0) | 19.9 (18.1 to 21.8) | 27.1 (24.9 to 29.5) | 23.1 (21.4 to 24.8) | 21.5 (19.5 to 23.7) | <0.001 |
| Other non-combustible§ | 9.4 (8.7 to 10.2) | 9.6 (8.3 to 11.1) | 9.2 (7.7 to 11.0) | 9.7 (8.3 to 11.4) | 9.1 (7.5 to 11.1) | 0.952 |
| Past 30 day use | ||||||
| Any product | 15.9 (15.1 to 16.7) | 17.3 (16.0 to 18.6) | 17.5 (15.7 to 19.4) | 14.9 (13.6 to 16.3) | 13.9 (12.4 to 15.5) | 0.002 |
| Cigarettes | 5.8 (5.4 to 6.3) | 6.3 (5.6 to 7.0) | 6.2 (5.2 to 7.5) | 5.5 (4.6 to 6.4) | 5.3 (4.5 to 6.1) | 0.288 |
| Other combustible‡ | 8.6 (8.2 to 9.1) | 10.0 (9.2 to 10.9) | 8.9 (8.0 to 10.0) | 8.4 (7.6 to 9.3) | 7.2 (6.4 to 8.2) | <0.001 |
| E-cigarettes | 9.2 (8.6 to 9.9) | 9.3 (8.0 to 10.8) | 11.3 (10.1 to 12.7) | 8.2 (7.4 to 9.2) | 8.1 (6.8 to 9.5) | 0.001 |
| Other non-combustible§ | 4.2 (3.8 to 4.6) | 4.4 (3.7 to 5.2) | 4.2 (3.3 to 5.4) | 4.3 (3.5 to 5.2) | 3.9 (3.2 to 4.9) | 0.908 |
| First tried¶ | – | – | ||||
| Nothing | 64.1 (62.4 to 65.7) | 64.8 (62.8 to 66.8) | 63.3 (60.4 to 66.1) | 0.387 | ||
| Cigarettes | 13.1 (12.2 to 14.0) | 13.9 (12.7 to 15.1) | 12.3 (11.0 to 13.7) | 0.107 | ||
| Other combustible‡ | 7.3 (6.7 to 8.0) | 6.6 (5.8 to 7.4) | 8.0 (7.0 to 9.1) | 0.031 | ||
| E-cigarettes | 6.6 (6.0 to 7.2) | 5.6 (4.9 to 6.4) | 7.6 (6.8 to 8.4) | 0.001 | ||
| Other non-combustible§ | 3.1 (2.6 to 3.8) | 3.3 (2.5 to 4.2) | 3.0 (2.2 to 4.1) | 0.709 | ||
| Unsure/inconsistent** | 5.9 (5.4 to 6.4) | 5.9 (5.3 to 6.6) | 5.8 (5.1 to 6.7) | 0.945 | ||
*Weighted percentages, raw N.
†Excludes unspecified grades (N=77).
‡Includes cigars, cigarillos, little cigars, hookah/waterpipe with tobacco, pipe, bidis.
§Includes chewing tobacco, snuff, dip, snus, dissolvable tobacco.
¶Only asked in 2014/2015 (total n=38 630).
**Those who could not remember (n=590) or who had indicated any use of a tobacco product but claimed they had never tried a product first (n=1803).