Socio-demographic characteristics and social influences regarding smoking (n=526)
| N (%) | |
| Socio-demographic characteristics | |
| Age (years) | |
| 12–15 | 262 (49.8) |
| 16–19 | 264 (50.2) |
| Ethnicity | |
| Lowland | 506 (96.2) |
| Other* | 20 (3.8) |
| Perceived academic performance | |
| Excellent, good, average | 490 (93.2) |
| Below average, failing | 36 (6.8) |
| Parental education level | |
| Middle school graduate or higher | 236 (44.9) |
| Primary school graduate or lower | 290 (55.1) |
| Social influences regarding smoking | |
| Either parent smokes | |
| Yes | 197 (37.5) |
| No | 329 (62.5) |
| Perceived parental disapproval of smoking | |
| Strongly disapprove | 363 (69.0) |
| Disapprove, approve, strongly approve | 163 (31.0) |
| Any older sibling smokes | |
| Yes | 73 (13.9) |
| No | 453 (86.1) |
| Any close friend smokes | |
| Yes | 225 (42.8) |
| No | 301 (57.2) |
| School-level peer smoking† | |
| Low | 333 (63.3) |
| Middle | 115 (21.9) |
| High | 78 (14.8) |
| Susceptibility to smoking | |
| Susceptible | 109 (20.7) |
| Non-susceptible | 417 (79.3) |