Table 1 Characteristics of older adults in the Mobilise-D technical validation study.

From: Self-supervised learning of wrist-worn daily living accelerometer data improves the automated detection of gait in older adults

 

HA

CHF

COPD

PD

PFF

No. of participants (N)

20

11

17

19

16

Age (years)

71.7 ± 5.8

69.1 ± 11.7

69.4 ± 9.1

69.3 ± 7.0

79.9 ± 8.2

Gender (M:F)

11:9

7:4

9:8

15:4

7:9

No. of participants with a walking aid (and percentage)

0

4 (36%)

0

1 (5%)

6 (38%)

Montreal cognitive assessment (0–30)

27.7 ± 2.6

27.1 ± 2.9

24.6 ± 3.3

24.7 ± 3.9

23.8 ± 4.3

CAT score (0–40)

N/A

19.65 (8.95)

N/A

N/A

N/A

FEV1 (L)

N/A

1.58 (0.58)

N/A

N/A

N/A

Hoehn and Yahr stage (N)

N/A

N/A

N/A

I: 4, II: 10, III: 5

N/A

SPPB (0–12)

N/A

N/A

N/A

N/A

5.94 (3.96)

Days since injury

N/A

N/A

N/A

N/A

132.1 (122)

No. of gait sequences per recording

66.5 ± 27.7

54.9 ± 31.9

60.8 ± 25.5

35.7 ± 23.6

34.0 ± 23.8

Average length of gait sequences (s)

30.7 ± 25.2

29.6 ± 18.0

17.6 ± 5.0

32.6 ± 22.0

29.1 ± 16.4

Gait percent (%) per recording

18.0 ± 9.3

16.3 ± 17.2

10.4 ± 3.5

14.3 ± 11.2

11.5 ± 9.4

  1. HA healthy adults, CHF congestive heart failure, COPD chronic obstructive pulmonary disease, PD Parkinson’s disease, PFF proximal femoral fracture, CAT chronic obstructive pulmonary disease assessment test, FEV1 forced expiratory volume in 1 s, SPPB short physical performance battery, SPPB short physical performance batter; scores on this test range from 0 to 12 (best performance) and values less than 10 indicates one or more mobility limitations and lower SPPB scores have been associated with an increased risk of disability43.
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