Characteristics Model 1-Knowledge Model 2- Attitude Model 3- Peer Model 4- Family Model 5- School Model 6- Overall
Area (Rural)            
Urban 0.61 (0.41-0.91) 0.52 (0.35-0.78) 0.84 (0.54-1.30) 0.58 (0.39-0.86) 0.67 (0.44-1.03) 0.88 (0.54-1.44)
Sub-urban 0.78 (0.50-1.22) 0.69 (0.44-1.08) 0.97 (0.60-1.57) 0.74 (0.48-1.15) 0.75 (0.47-1.18) 0.96 (0.57-1.63)
Grade (8th)            
7th 0.59 (0.44-0.80) 0.68 (0.50-0.92) 0.83 (0.60-1.15) 0.64 (0.48-0.86) 0.67 (0.49-0.91) 0.82 (0.58-1.16)
Do you think smoking can cause the following diseases:
Bronchitis (Yes)            
No 1.49 (0.99-2.23)         1.33 (0.84-2.09)
Hypertension(Yes)            
No 0.85 (0.58-1.25)         0.97 (0.63-1.51)
Lung cancer (Yes)            
No 2.73 (1.59-4.70)         1.79 (0.94-3.41)
heart attack (Yes)            
No 1.22 (0.82-1.81)         1.07 (0.69-1.67)
Stroke (Yes)            
No 0.91 (0.62-1.33)         0.95 (0.62-1.47)
Do you think smoking can help people relax? (No)            
Yes   2.32 (1.62-3.31)       1.89 (1.28-2.80)
Do you think smoking boys are more attractive? (No difference)            
More attractive   1.41 (0.79-2.53)       1.65 (0.87-3.13)
Less attractive   0.64 (0.43-0.96)       0.94 (0.60-1.47)
Do you think smoking girls are more attractive? (No difference)            
More attractive   1.61 (0.89-2.90)       0.92 (0.48-1.76)
Less attractive   0.87 (0.58-1.32)       0.75 (0.48-1.19)
As far as you know, does any of your friends or classmates smoke? (Most of or all)            
None     0.22 (0.11-0.45)     0.38 (0.18-0.79)
Some     0.48 (0.24-0.96)     0.62 (0.30-1.30)
Do you think your parent would not mind your smoking after you grow up? (Yes)            
No       0.50 (0.34-0.75)   0.95 (0.57-1.60)
In a typical week, how many days do people smoke in your presence at home? (1-7 days)            
None       0.78 (0.58-1.07)   1.11 (0.77-1.61)
In the past week, did you see your teachers smoking? (Yes)            
No         0.61 (0.45-0.84) 0.70 (0.48-1.01)
In the past semester, did the school distribute any tobacco control material to you? (Yes)            
No         0.82 (0.55-1.23) 0.90 (0.58-1.41)
In the past semester, did you watch any video or TV program on tobacco control on campus? (Yes)            
No         0.65 (0.41-1.03) 0.61 (0.36-1.03)
In the past semester, did anyone in your school teach you that smokers would have yellow teeth, wrinkles, or bad smell? (Yes)            
No         0.99 (0.67-1.46) 1.05 (0.69-1.62)
In the past semester, did anyone in your school teach you skills on how to refuse smoking? (Yes)            
No         1.09 (0.72-1.65) 1.12 (0.70-1.79)
Do you often see anti-smoking information on campus? (very often)            
None         1.80 (1.16-2.79) 1.16 (0.71-1.91)
Some times         1.43 (0.95-2.16) 1.13 (0.72-1.78)
Table 2: Estimated Odds Ratio (95 % confidence interval) of smoking susceptibility among boys.
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