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 household income labelled
-8 = missing in original data
1 = less than 1000
2 = 1000 - 1999
3 = 2000 - 2999
4 = 3000 - 3999
5 = 4000 - 4999
6 = 5000 - 5999
7 = 6000 - 6999
8 = 7000 - 7999
9 = 8000 - 8999
10 = 9000 - 9999
11 = 10000 - 10999
12 = 11000 - 11999
13 = 12000 - 12999
14 = 13000 - 13999
15 = 14000 - 14999
16 = 15000 - 17499
17 = 17500 - 19999
18 = 20000 - 24999
19 = 25000 - 29999
20 = 30000 - 39999
21 = 40000 or more
98 = no source of income
99 = refused

Original education labelled
-8 = missing in original data
1 = up to 14
2 = 15-18
3 = 19-25
4 = over 25
5 = still in education
6 = no education

income from employment labelled
-9 = not possible to create

country and 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

age left formal education
-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