Table 1 Descriptive statistics in full sample and according to sex (mean ± standard deviation or frequency (%))

Age, years

74.44 ± 3.78

74.35 ± 3.90

74.50 ± 3.69

 Height, m

1.66 ± 0.09

1.73 ± 0.06

1.61 ± 0.06

 Weight, kg

76.84 ± 14.35

84.07 ± 12.45

71.68 ± 13.39

 Body mass index, kg/m²

27.88 ± 4.77

27.88 ± 3.60

27.87 ± 5.46

 Waist circumference, cm

95.69 ± 12.47

102.11 ± 9.73

91.11 ± 12.20

 Low

43 (15)

25 (21)

18 (11)

 Medium

186 (64)

77 (63)

109 (64)

 High

64 (22)

20 (16)

44 (26)

 very good/good

135 (46)

55 (45)

80 (47)

 average/poor

158 (54)

67 (55)

91 (53)

 very good/good

269 (92)

113 (93)

155 (91)

 poor/very poor

25 (9)

9 (7)

16 (9)

 Fat percent

35.94 ± 8.23^a

30.15 ± 6.01^a

40.04 ± 7.04

 Appendicular lean mass, kg

19.40 ± 4.37^a

23.69 ± 2.95^a

16.36 ± 2.05

 6-min walk, m

477.55 ± 82.56

502.60 ± 90.68

459.68 ± 71.30

 10-m walk, m/s

1.98 ± 0.38

2.11 ± 0.45

1.88 ± 0.29

 SPPB, total score

10.19 ± 1.54

10.64 ± 1.45

9.87 ± 1.53

 Valid days

6.7 ± 0.8

6.7 ± 0.7

6.6 ± 0.8

 Wear time, h/d

14.1 ± 1.3

14.3 ± 1.3

13.9 ± 1.2

 Sedentary activity, min/d

602.3 ± 82.9

627.1 ± 81.0

584.6 ± 79.9

 Light activity, min/d

210.3 ± 66.3

196.9 ± 60.8

219.8 ± 68.6

 Moderate-to-vigorous activity, min/d

32.5 ± 20.1

33.1 ± 21.0

32.1 ± 19.5