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. 2014 May 9;14:51. doi: 10.1186/1472-6831-14-51

Table 1.

Study population

  Education level of the parents
Low
High/medium
Migration background
Migration background
Yes No Yes No
School type
 
 
 
 
I (Level 2A)
16
6
117
216
II (Level 2C) 83 17 157 124