gender
0 = female
1 = male

education
1 = lower education
2 = lower general secondary education
3 = secondary vocational education
4 = senior general secondary education
5 = pre-university education
6 = bachelor
7 = master

paid job
0 = no
1 = yes

party
1 = cda
2 = christenunie
3 = d66
4 = groenlinks
5 = PVV
6 = pvda
7 = sgp
8 = sp
9 = vvd
10 = PvdD
11 = don't know
12 = will not vote

influence own opinion
1 = not at all
9 = strongly

political parties indispensable
1 = completely disagree
9 = completely agree

too many decisions secret
1 = completely disagree
9 = completely agere

voting influence government policy
1 = completely disagree
9 = completey agree

following newsreports terrorist attacks
1 = not at all
9 = yes, very closely

talking about terrorist attacks
1 = not at all
9 = yes, very often

convincing of opinion
1 = no,never
9 = yes,always