Prevalence of smoking in male adolescents by age and social environment
| 11 years n (%) | 13 years n (%) | 15 years n (%) | 17 years n (%) | |
|---|---|---|---|---|
| Tried smoking | 126 (20.8) | 165 (29.9) | 301 (46.3) | 76 (50.7) |
| Regular smoking1-150 | 50 (8.2) | 86 (15.5) | 161 (24.7) | 58 (38.7) |
| Negative attitude of | ||||
| Father | 542 (89.6) | 467 (84.4) | 595 (91.5) | 118 (79.2) |
| Mother | 566 (93.2) | 498 (90.2) | 600 (92.4) | 128 (87.1) |
| Older brother | 322 (53.5) | 287 (52.6) | 340 (53.2) | 73 (50.0) |
| Older sister | 355 (59.3) | 337 (61.6) | 372 (58.0) | 84 (57.1) |
| Best friend | 338 (55.9) | 228 (41.4) | 234 (36.1) | 50 (34.0) |
| Teacher | 489 (80.6) | 432 (78.1) | 493 (75.8) | 111 (75.0) |
↵1-150 Regular smoking was defined as at least once a week.