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Table 1 Individual, family and school level characteristics among boys and girls

From: Contribution of parental and school personnel smoking to health risk behaviours among Finnish adolescents

  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)
  1. *Parental education level comprehensive school or comprehensive school and vocational school.
  2. Note. All differences between boys and girls were statistically significant except the difference in the prevalence of school personnel smoking (p = 0.095).