Non-smokers 12th grade | Smokers 12th grade | Univariable logistic regression 12th grade | Multivariable logistic regression 12th grade (n = 564) | |||
---|---|---|---|---|---|---|
Factors 7th grade | n (%) | n (%) | OR | CI | OR | CI |
Gender (n = 646) | ||||||
Boys | 232 (80) | 60 (20) | 1.00 | Ref | 1.00 | Ref |
Girls | 252 (71) | 102 (29) | 1.56 | 1.09-2.26 | 1.64 | 1.08-2.49 |
Age (n = 643) | ||||||
12 years old | 122 (80) | 30 (20) | 1.00 | Ref | ||
13 years old | 345 (73) | 129 (27) | 1.52 | 0.97-2.38 | ||
14 years old | 15 (88) | 2 (12) | 0.54 | 0.12-2.50 | ||
Country of birth (n = 645) | ||||||
Born in Sweden | 453 (74) | 156 (26) | 1.00 | Ref | ||
Born outside Sweden | 30 (83) | 6 (17) | 0.58 | 0.24-1.42 | ||
Residence (n = 627) | ||||||
City/Town | 263 (75) | 87 (25) | 1.00 | Ref | ||
Village | 122 (78) | 35 (22) | 0.87 | 0.56-1.36 | ||
Rural area | 86 (72) | 34 (28) | 1.20 | 0.75-1.90 | ||
Parental education (n = 641) | ||||||
High | 277 (79) | 73 (21) | 1.00 | Ref | ||
Low | 203 (70) | 88 (30) | 1.64 | 1.15-2.36 | ||
Mood in family (n = 632) | ||||||
Good | 436 (77) | 133 (23) | 1.00 | Ref | ||
Not good | 36 (57) | 27 (43) | 2.46 | 1.44-4.20 | ||
Self-rated health (n = 641) | ||||||
High | 257 (78) | 74 (22) | 1.00 | Ref | ||
Medium | 203 (75) | 68 (25) | 1.16 | 0.80-1.70 | ||
Low | 20 (51) | 19 (49) | 3.30 | 1.67-6.51 | ||
Self-esteem (n = 635) | ||||||
High | 293 (81) | 69 (19) | 1.00 | Ref | 1.00 | Ref |
Medium | 154 (70) | 66 (30) | 1.82 | 1.23-2.69 | 1.57 | 1.03-2.38 |
Low | 28 (53) | 25 (47) | 3.79 | 2.08-6.91 | 2.79 | 1.46-5.33 |
Attitudes towards smoking (n = 640) | ||||||
Very negative | 433 (78) | 119 (22) | 1.00 | Ref | 1.00 | Ref |
Not very negative | 46 (52) | 42 (48) | 3.32 | 2.09-5.29 | 2.81 | 1.70-4.66 |
Physical exercise (n = 617) | ||||||
High | 360 (75) | 118 (25) | 1.00 | Ref | ||
Low | 98 (70) | 41 (30) | 1.28 | 0.84-1.94 | ||
Binge drinking (n = 634) | ||||||
Never | 456 (77) | 136 (23) | 1.00 | Ref | ||
Once or more | 20 (48) | 22 (52) | 3.69 | 1.95-6.96 | ||
Snus use (n = 637) | ||||||
No | 452 (77) | 133 (23) | 1.00 | Ref | 1.00 | Ref |
Previous or current use | 24 (46) | 28 (54) | 3.96 | 2.22-7.07 | 3.43 | 1.78-6.62 |
Smoking (n = 636) | ||||||
No | 473 (77) | 142 (23) | 1.00 | Ref | ||
Yes | 6 (29) | 15 (71) | 8.33 | 3.17-21.86 |