Table 1 Sample characteristics by trial mode

Male, %

39.8

38.0

Age in years, mean (SD)

58.7 (15.3)

58.1 (15.3)

Education

16 and under, %

36.5

38.1

17/18, %

25.8

26.3

19 and over, %

37.7

35.6

Car ownership

No car

3.9

4.4

One car

37.8

39.2

Two or more cars

58.3

56.4

Indices of multiple deprivation score (quintiles, %)

1 (lowest)

25.7

21.3

2

20.9

16.8

3

19.8

19.2

4

17.8

20.4

5 (highest)

15.8

22.2