Gender of respondent
1 = female
2 = male

Occupational group
1 = full time employed
2 = part time employed
3 = student
4 = retired
5 = self employed
6 = unemployed
7 = homemaker
8 = carer
9 = long term sick or incapacity benefit
10 = other

Highest level of education
1 = none
2 = school level (O level, A level, GCSE, CSE)
3 = university degree
4 = other professional qualification (nursing etc)

Ethnic group
1 = black
2 = white
3 = south asian
4 = east asian
5 = other

Living arrangements
1 = alone
2 = with family
3 = with friends
4 = with others

Activities - get out of bed
0 = no
1 = yes

Frequency of doctor consultations
1 = not at all
2 = once
3 = twice
4 = 3 or 4 times
5 = 5 to 9 times
6 = 10 or more times

Smoking status
1 = current smoker
2 = ex-smoker
3 = non-smoker

Attitude to own drinking
1 = less than you should
2 = about the right amount
3 = more than you should

Gentle exercise on a typical day
1 = none
2 = less than 20 minutes
3 = between 20 minutes and one hour
4 = more than one hour