- Age
- National Statistics Socio-economic Classification (NS-SEC)
- Parent’s NS-SEC
- Highest educational qualification
- Home ownership
- Marital status
- Age left education
- Ethnicity
- Local authority and education authority
- Household income
- Personal income
- Household size
- Number of children in household
- Preferred daily newspaper
- Religiosity
- Religious denomination
- Type of organisation worked for
- Attending a private primary or secondary school
- Big 5 personality measures
