|
Explanatory variable
|
Unadjusted OR (95% CI)
|
P-value
|
Adjusted OR (95% CI)
|
P-value
|
|---|
|
Sex
|
|
Male
|
5.51 (3.81-7.96)
|
<0.001
|
4.32 (2.59-7.22)
|
<0.001
|
|
Female
|
1.0
| |
1.0
| |
|
Age
|
1.33 (1.22-1.46)
|
<0.001
|
1.20 (1.05-1.38)
|
<0.01
|
|
Grade
|
|
9th
|
0.52 (0.35-0.78)
|
0.002
|
1.31 (0.67-2.56)
|
0.43
|
|
10th
|
0.71 (0.45-1.10)
|
0.13
|
0.97 (0.49-1.87)
|
0.92
|
|
11th
|
0.69 (0.42-1.14)
|
0.15
|
1.22 (0.63-2.36)
|
0.55
|
|
12th
|
1.0
| |
1.0
| |
|
Marital status
|
|
Single
|
0.42 (0.254-0.685)
|
0.04
|
0.52 (0.22-1.21)
|
0.128
|
|
Married
|
1.0
| |
1.0
| |
|
Religion
|
|
Orthodox Christian
|
1.19 (0.36-4.02)
|
0.77
|
4.21 (0.49-36.02)
|
0.19
|
|
Protestant
|
3.81 (0.95-15.31)
|
0.06
|
9.92 (0.93-106.21)
|
0.06
|
|
Catholic
|
1.26 (0.37-4.29)
|
0.71
|
3.06 (0.35-26.65)
|
0.31
|
|
Muslim
|
0.90 (0.25-3.28)
|
0.86
|
3.78 (0.41-34.62)
|
0.24
|
|
Others
|
1.0
| |
1.0
| |
|
Having friend who smokes cigarette
|
|
Yes
|
10.13 (7.16-14.34)
|
0.002
|
8.14 (5.19-12.70)
|
<0.01
|
|
No
|
1.0
| |
1.0
| |
|
Living with peoples who smokes cigarette
|
|
Yes
|
2.37(1.75-3.20)
|
0.03
|
1.25 (0.81-1.92)
|
0.313
|
|
No
|
1.0
| |
1.0
| |
