Table 3 Junior high (grades 7–9) and high school (grades 10–12) students’ age-adjusted prevalence of combined smoking by gender
Proportions of students who ever used either | ||||||||
|  |  |  | Grades 7–9, ever use (%) | Grades 10–12, ever use (%) | ||||
C | EC | HNB | Male | Female | Both | Male | Female | Both |
+ | – | – | 41.1 | 40.3 | 40.8 | 38.4 | 43.2 | 39.8 |
+ | + | – | 7.8 | 6.5 | 7.3 | 11.6 | 6.0 | 10.0 |
+ | – | + | 5.6 | 4.4 | 5.1 | 8.1 | 7.9 | 8.0 |
+ | + | + | 9.6 | 12.3 | 10.7 | 16.7 | 10.2 | 14.8 |
– | + | – | 26.3 | 27.5 | 26.8 | 20.0 | 23.6 | 21.1 |
– | – | + | 5.0 | 4.4 | 4.7 | 2.7 | 5.5 | 3.5 |
– | + | + | 4.6 | 4.6 | 4.6 | 2.4 | 3.5 | 2.7 |
Proportions of students who currently used either | ||||||||
|  |  |  | Grades 7–9, current use (%) | Grades 10–12, current use (%) | ||||
C | EC | HNB | Male | Female | Both | Male | Female | Both |
+ | – | – | 23.3 | 20.9 | 22.4 | 30.7 | 29.9 | 30.5 |
+ | + | – | 4.6 | 3.2 | 4.1 | 6.8 | 6.6 | 6.8 |
+ | – | + | 4.7 | 9.9 | 6.6 | 13.7 | 17.4 | 14.6 |
+ | + | + | 18.7 | 28.5 | 22.4 | 16.0 | 14.6 | 15.7 |
– | + | – | 31.3 | 28.6 | 30.3 | 21.3 | 16.0 | 20.0 |
– | – | + | 10.0 | 7.7 | 9.1 | 6.5 | 9.5 | 7.3 |
– | + | + | 7.3 | 1.1 | 5.0 | 4.9 | 6.0 | 5.1 |