Table 1 Individual, family and school level characteristics among boys and girls
Boys (n = 11,609) | Girls (n = 12,770) | |
|---|---|---|
Individual and family characteristics | n (%) | n (%) |
Grade level | ||
8th (secondary school) | 3967 (34) | 3892 (30) |
9th (secondary school) | 3845 (33) | 3910 (31) |
1st (upper secondary school) | 2079 (18) | 2704 (21) |
2nd (upper secondary school) | 1718 (15) | 2264 (18) |
Socioeconomic background (parental education) | ||
Comprehensive school | 637 (5) | 828 (6) |
Comprehensive school and vocational school | 2176 (19) | 3052 (24) |
Upper secondary school/upper secondary school + institute | 3095 (27) | 3359 (26) |
College or university | 5701 (49) | 5531 (43) |
Parental smoking | ||
No | 7391 (64) | 7930 (62) |
Yes | 4218 (36) | 4840 (38) |
Own current smoking | ||
No | 8219 (72) | 8559 (68) |
Yes | 3213 (28) | 4005 (32) |
Smoking cessation (among those who had ever smoked) | ||
No | 3213 (60) | 4005 (67) |
Yes | 2165 (40) | 1940 (33) |
Smoking during school time (among regular smokers) | ||
Never | 269 (12) | 381 (15) |
Sometimes | 569 (26) | 732 (28) |
Every day | 1356 (62) | 1457 (57) |
Reporting personnel smoking at school | ||
Never | 2514 (35) | 2822 (39) |
Sometimes | 2196 (30) | 2281 (31) |
Every day | 2562 (35) | 2179 (30) |
Alcohol use frequency | ||
Less than weekly | 9831 (85) | 11,390 (89) |
At least once a week | 1736 (15) | 1343 (11) |
Binge drinking (gets really drunk) | ||
Never or rarely than once a month | 8526 (74) | 10,130 (80) |
At least once a month | 3034 (26) | 2605 (20) |
Illicit drug use during the past month | ||
No | 10,518 (91) | 11,482 (90) |
Yes | 1042 (9) | 1245 (10) |
School-level characteristics | ||
Proportion (%) of pupils at school with low parental education* | ||
< 22 | 3739 (32) | 4273 (33) |
≥22 < 33 | 3847 (33) | 4318 (34) |
≥33 | 4023 (35) | 4179 (33) |
Proportion (%) of smokers among school personnel | ||
≤4 | 3915 (34) | 4432 (35) |
> 4 ≤ 13 | 4036 (35) | 4469 (35) |
> 13 | 3658 (32) | 3869 (30) |