Table 1 Interview participant demographic and main reason for non-participation summary table

Age

45-95 years

15

60-75 years

15

Sex

Male

14

Female

16

Ethnicity

White

23

Asian/Asian British

2

Mixed/multiple ethnic groups

2

Black/African/Caribbean/Black British

3

Employment

Retired

9

Part-time

6

Full-time

8

Looking after home or family

1

Student

1

Other

5

Home owner status

Owner

25

Rent from council or housing association

4

Rent privately

1

Age of leaving education

19 years or over

15

18 years

2

17 years

2

16 years or less

10

Main reason for declining from interview

Too active

18

Medical problems

4

Travel

3

Work commitments

2

Other commitments

1

Equipment problems

1

Does not want to be randomised

1