Household identifier
0 = 1 person sampled per household

sex - duplicate in supplement file
-8 = missing
1 = Man
2 = Woman

age - duplicate in supplement file
-8 = missing
-7 = not asked
80 = 80 or older

original education labelled
0 = missing
1 = leave school at age 15 or less
2 = 16
3 = 17
4 = 18
5 = 19
6 = 20
7 = 21 or more
8 = still studying
11 = missing
12 = missing

income from employment labelled
-9 = could not be created
-8 = missing
-7 = not applicable/not asked

age left formal schooling
-8 = missing
0 = still in school
15 = 15 or less
21 = 21 or older

ethnicity
-9 = not possible to create
-8 = missing
1 = white
2 = black
3 = Indian/Pakistani/Bangladeshi
4 = other and mixed race

countreg / English region
-8 = missing
1 = North of England
2 = English Midlands
3 = East of England
4 = London and South East
5 = South & West of England
6 = Wales
7 = Scotland
8 = Northern Ireland