Table 1

Socio-demographic features of the sample


n
%

Age


     15
56
2.7
     16
973
46.3
     17
919
43.7
     18
153
7.3

Gender


     Male
1050
50.0
     Female
1051
50.0

Perceived socio-economic status


     Lower
160
7.6
     Middle
1809
86.1
     Upper
132
6.3

Residential background


     Urban
1637
77.9
     Suburban
171
8.1
     Rural
293
13.9

Mother's educational level


     Uneducated
191
9.1
     Primary school graduate
989
47.1
     Secondary school graduate
246
11.8
     High school graduate
474
22.5
     University graduate
201
9.5

Father's educational level


     Uneducated
70
3.3
     Primary school graduate
723
34.4
     Secondary school graduate
297
14.1
     High school graduate
569
27.1
     University graduate
442
21.1

Total
2101
100.0

Ozmen et al. BMC Public Health 2007 7:80   doi:10.1186/1471-2458-7-80