Geschlecht Kind
1 = male
2 = female

Schulklasse Kind (3 oder 4)
3 = 3. Klasse
4 = 4. Klasse

Bundesland
1 = Bayern
2 = Hessen

0 = Incomplete
1 = Unverified
2 = Complete

Does it concern a twin sibling?
0 = no
1 = yes

FBB-SSV: Item 1
0 = gar nicht
1 = ein wenig
2 = weitgehend
3 = besonders

FBB-SSV: Item 10a
0 = ja
1 = nein