Cigarette smoking status, by age and gender
| Age (years) | Boys | Girls | Total n | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Never-smoker n (%)1-150 | Ever-smoker n (%)1-150 | Never-smoker n (%)1-150 | Ever-smoker n (%)1-150 | ||||||
| ⩽81-151 | 68 (77) | 20 (23) | 79 (83) | 16 (17) | 183 | ||||
| 9 | 134 (87) | 20 (13) | 129 (93) | 10 (7) | 293 | ||||
| 10 | 138 (86) | 22 (14) | 114 (92) | 10 (8) | 284 | ||||
| ⩾11 | 149 (90) | 17 (10) | 99 (94) | 6 (6) | 271 | ||||
| Total | 489 (86) | 79 (14)1-152 | 421 (91) | 42 (9) | 1031 | ||||