Table 1 Baseline demographics, physical activity and sedentary behaviour, including completers and post-baseline non-completers

 Gender: N (%)

Available, N

97

48

49

Female

57 (59%)

29 (60%)

28 (57%)

 Age (years)

Available, N

95

46

49

Mean (SD)

68.32 (3.78)

68.00 (4.05)

68.61 (3.52)

 Ethnicity: N (%)

Available, N

94

46

48

White

91 (97%)

44 (6%)

47 (98%)

Black

0

0

0

Asian

1 (1%)

1 (2%)

0

Mixed or other

2 (2%)

1 (2%)

1 (2%)

 Marital status: N (%)

Available, N

96

47

49

Single

7 (7%)

6 (13%)

1 (2%)

Married

72 (75%)

35 (75%)

37 (76%)

Widowed

9 (9%)

2 (4%)

7 (14%)

Divorced or separated

8 (8%)

4 (9%)

4 (8%)

 Longstanding illness: N (%)

Available N

94

46

48

Yes

69 (73%)

38 (83%)

31 (65%)

 Education, university: N (%)

Available N

92

46

46

Yes

33 (36%)

14 (30%)

19 (41%)

 Education, age leaving school (years)

Available N

91

45

46

Mean (SD)

16.34 (1.38)

16.11 (1.47)

16.57 (1.28)

 Sitting time (IPAQ; min/day)

Available, N

90

45

45

Mean (SD)

480.30

483.60 (212.25)

477.00 (159.99)

 Sitting time (MOST; min/day)

Available, N

96

48

48

Mean (SD)

559.34 (213.99)

552.54 (206.18)

566.15 (223.49)

 SB habit^a

Available, N

95

47

48

Mean (SD)

4.13 (0.80)

4.11 (0.89)

4.15 (0.71)

 Walking (min/day)

Available, N

90

46

44

Mean (SD)

94.50 (90.62)

77.61 (67.80)

112.16 (107.52)

 Moderate PA (min/day)

Available, N

95

47

48

Mean (SD)

33.95 (60.85)

36.81 (60.42)

31.15 (61.77)

 Vigorous PA (min/day)

Available, N

96

47

49

Mean (SD)

9.64 (30.63)

8.19 (26.24)

11.02 (34.54)

 PA habit^a

Available, N

95

47

48

Mean (SD)

3.27 (1.13)

3.30 (1.21)

3.25 (1.06)