Variables | Cigarette smoking | P value | Crude OR (95 % CI) | |
---|---|---|---|---|
Yes (n = 293) | No (n = 2330) | |||
Gender | ||||
Male | 209 (20 %) | 836 (80 %) | 0.000 | 4.45 (3.38 – 5.85) |
Female (ref) | 84 (5.3 %) | 1494 (94.7 %) | ||
Age, per year increase | 0.000 | 1.12 (1.07 – 1.18) | ||
Type of education | ||||
General school | 239 (12.8 %) | 1629 (87.2 %) | 0.000 | 1.90 (1.39 – 2.59) |
Technical school (ref) | 54 (7.2 %) | 701 (92.8 %) | ||
School status | ||||
Public school | 42 (10.6 %) | 353 (89.4 %) | 0.71 | 0.93 (0.66 – 1.32) |
Private school (ref) | 251 (11.3 %) | 1977 (88.7 %) | ||
Number of class repeated | 0.000 | 1.30 (1.13 – 1.48) | ||
Parental smoking | ||||
Yes | 85 (25.4 %) | 250 (74.6 %) | 0.000 | 3.4 (2.55 – 4.51) |
No (ref) | 208 (9.1 %) | 2080 (90.9 %) | ||
Family smoking | ||||
Yes | 133 (18.8 %) | 576 (81.2 %) | 0.000 | 2.84 (2.2 – 3.66) |
No (ref) | 160 (8.3 %) | 1754 (91.6 %) | ||
Friends smoking | ||||
Yes | 242 (31.6 %) | 523 (68.4 %) | 0.000 | 9.9 (7.46 – 13.15) |
No (ref) | 51 (2.7 %) | 1807 (97.3 %) | ||
Knowledge of warmful effects smoking | ||||
Yes | 233 (11.3 %) | 1837 (88.7 %) | 0.55 | 1.10 (0.79 – 1.51) |
No (ref) | 60 (10.9 %) | 493 (89.1 %) |