Table 3 Key baseline characteristics of study population

Parameter

Measure

All enrolled

Intervention

Control

n (%)

51 (100%)

34 (67%)

17 (33%)

Age at screening

Median (range)

74.1 (65.3–88.5)

73.6 (65.3–88.5)

74.8 (65.5–83.2)

Gender

No. male (%)

30 (59%)

21 (62%)

9 (53%)

IMD

Median (IQR) IMD

15.1 (4.0–33.1)

15.1 (4.6–32.6)

13.2 (6.2–23.2)

Unaided 4-m walk

Mean (SD) 4 m walking speed, unaided

0.97 (0.16)

0.96 (0.13)

1.00 (0.2)

SPPB

Median (IQR) SPPB score

9 (7–9)

9 (7–9)

9 (8–9)

GDS (depression)

Median (IQR) GDS score (depression)

2 (0–10)

2 (0–10)

2 (1–5)

PMH

Number (%) with heart disease

16 (31%)

9 (26%)

7 (41%)

Number (%) with arthritis

21 (41%)

15 (44%)

6 (35%)

BMI

Median (IQR) BMI score

27.2 (22.3–35.5)

26.9 (22.3–34.2)

28.4 (26.0–33.1)

Marital status

Married (%)

39 (76%)

25 (74%)

14 (82%)

Smoking status

Ever smoked (%)

28 (55%)

19 (56%)

9 (53%)

Socioeconomic status

Last occupation was manual (%)

21 (41%)

15 (44%)

6 (35%)

Owns own home (%)

42 (82%)

27 (79%)

15 (88%)

Detached house or bungalow (%)

13 (25%)

8 (24%)

5 (29%)

MOCA

Median (IQR) MOCA score

25 (18–28)

25 (20–28)

22 (19–27)

Self-report disability

Median (IQR) Lawton’s IADL score

8 (7–8)

8 (7–8)

8 (8–8)

Social support

Can rely on someone for emotional support (%)

48 (94%)

32 (94%)

16 (94%)

Need more emotional support (%)

14 (29%)

9 (28%)

5 (31%)

No one to rely on to help out financially (%)

11 (22%)

7 (21%)

4 (24%)

Median (IQR) number of close friends/family

6 (2–20)

6.5 (4–14)

6 (3–10)

n (%)

50

34

16

Accelerometer-reported activity levels

Daily mean (SD) hours sedentary activity

7.9 (1.1)

7.9 (1.2)

7.9 (1.1)

Daily mean (SD) hours in light activity

5.4 (1.2)

5.4 (1.2)

5.4 (1.2)

Daily median (IQR) minutes in moderate-to-vigorous activity

4.5 (1–25)

6.5 (1–25)

2.5 (1–7)

n (%)

48

32

16

Alcohol intake

Median (IQR) units/week in drinkers

3 (0–33)

4 (0–24)

3 (0.5–10.5)