Table 2

Variables associated with current smoking (Bi-variate analysis)


Total Odds ratio (95% confidence interval)
Males Odds ratio (95% confidence interval)
Females Odds ratio (95% confidence interval)

Age (years)



     11–12
1.00
1.00
1.00
     13
0.30 [0.22, 0.41]
0.56 [0.35, 0.89]
0.20 [0.11, 0.35]
     14
0.50 [0.31, 0.79]
0.63 [0.40, 0.97]
0.47 [0.36, 0.63]
     15
1.05 [0.81, 1.38]
1.65 [1.09, 2.51]
1.04 [0.66, 1.64]
     16–17
5.27 [2.96, 9.39]
7.21 [4.42, 11.76
4.89 [3.48, 6.86]
Gender



     Females
1.00


     Males
1.26 [1.05, 1.50]


Education father/stepfather



     Elementary school or less
1.00
1.00
1.00
     Middle school
0.81 [0.56, 1.17]
0.76 [0.58, 1.00]
0.85 [0.55, 1.33]
     High school
0.53 [0.40, 0.69]
0.47 [0.33, 0.68]
0.60 [0.41, 0.90]
     University
0.52 [0.42, 0.69]
0.54 [0.39, 0.75]
0.49 [0.32, 0.77]
Education mother/stepmother



     Elementary school or less
1.00
1.00
1.00
     Middle school
1.00 [0.74, 1.34]
0.95 [0.62, 1.46]
0.71 [0.47, 1.08]
     High school
0.54 [0.41, 0.71]
0.48 [0.32, 0.71]
0.61 [0.41, 0.93]
     University
0.53 [0.41, 0.71]
0.55 [0.38, 0.81]
0.61 [0.42, 0.89]
Parental smoking



     None
1.00
1.00
1.00
     Father only
1.57 [1.22, 2.02]
1.87 [1.34, 2.61]
1.27 [0.82, 1.97]
     Mother only
1.38 [1.00, 1.89]
1.11 [0.69, 1.81]
1.67 [1.07, 2.60]
     Both parents
2.48 [1.99, 3.09]
2.72 [1.98, 3.74]
2.13 [1.54, 2.96]
Perception cigarettes smoking harmful



     Definitely not or probably not
1.00
1.00
1.00
     Definitely yes or probably yes
1.20 [0.92, 1.56]
1.13 [0.88, 1.45]
1.23 [1.04, 1.47]
Pocket money



     < 7 Euro
1.00
1.00
1.00
     8–15 Euro
2.29 [1.53, 3.41]
2.06 [1.23, 3.45]
3.14 [1.50, 6.60]
     16–23 Euro
3.39 [2.34, 4.91]
3.31 [2.03, 5.39]
4.91 [2.47, 9.75]
     24–31 Euro
4.15 [2.78, 6.20]
4.03 [2.37, 6.85]
6.04 [2.92, 12.47]
     >=32 Euro
7.26 [4.73, 11.14]
6.78 [3.86, 11.91]
10.96 [5.09, 23.58]

Rachiotis et al. BMC Public Health 2008 8:313   doi:10.1186/1471-2458-8-313