Table 1.

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

Characteristics		All participants	Intervention group (N = 49)	Control group (N = 49)
Demographics
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)
Sedentary behaviour
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 habita	Available, N	95	47	48
	Mean (SD)	4.13 (0.80)	4.11 (0.89)	4.15 (0.71)
Physical activity
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 habita	Available, N	95	47	48
	Mean (SD)	3.27 (1.13)	3.30 (1.21)	3.25 (1.06)

^aHabit measured on a 1–5 scale, where 1, weak or no habit and 5, strongest habit