1 = Non-Completer
2 = Completer

1 = Male
2 = Female
3 = Genderfluid
4 = Non-binary

1 = White
2 = Black
3 = Mixed ethnic background
4 = Asian
5 = Any other ethnic background

1 = Afghanistan
2 = Angola
3 = Australia
4 = Czech Republic
5 = Estonia
6 = France
7 = Germany
8 = Greece
9 = Hong Kong (S.A.R.)
10 = Hungary
11 = India
12 = Indonesia
13 = Ireland
14 = Italy
15 = Nigeria
16 = Poland
17 = Portugal
18 = South Africa
19 = South Korea
20 = Spain
21 = United Kingdom of Great Britain and Northern Ireland

1 = Did not complete secondary school
2 = Secondary school (GCSEs/O Levels)
3 = College (A Levels)
4 = Vocational/technical school
5 = Higher Education Certificate
6 = Diploma
7 = Masters Degree
8 = Doctoral Level
9 = Professional Degree

1 = Working full-time (30 hours per week or more)
2 = Working part-time (less than 30 hours per week)
3 = Self-employed
4 = Full or part-time student
5 = Retired
6 = Unemployed and looking for work
7 = Look after the home/caring for family
8 = Unable to work because of ill health or disability
9 = Other

1 = 0 - 249
2 = 250 - 499
3 = 500 - 749
4 = 750 - 999
5 = 1000 - 1249
6 = 1250 - 1499
7 = 1500 - 1749
8 = 1750 - 1999
9 = 2000+
10 = Unsure

1 = No
2 = Yes
3 = Unsure