| 16–17 year olds (n = 455 before, n = 4735 after), % (n) | 18–24 year olds (n = 2186 before, n = 28,495 after), % (n) |
---|---|---|
Current smoker | ||
 Before | 23.74 (108) | 37.42 (818) |
 After | 14.80 (701) | 28.07 (7990) |
Ever smoker | ||
 Before | 26.59 (334) | 43.37 (1238) |
 After | 16.96 (803) | 33.35 (9495) |
Quit attempt¥ | ||
 Before | 63.25 (74) | 50.28 (443) |
 After | 41.38 (305) | 38.82 (3251) |