Gait Assessment of Younger and Older Adults with Portable Motion-Sensing Methods: A User Study
Table 1
Characteristics of participants in this study (N = 56).
Variables
Younger (N = 28)
Older (N = 28)
Age, mean (SD), y
24.6 (2.7)
66.1 (5.0)
<0.001
Gender, n
Male
14
18
0.280
Female
14
10
Height, mean (SD), cm
169.7 (8.2)
160.6 (7.1)
<0.001
Weight, mean (SD), kg
61.8 (10.4)
61.4 (7.3)
0.859
BMIa, mean (SD)
21.4 (2.6)
23.9 (3.1)
0.002
Education, n
Primary
0
16
<0.001
Junior
0
11
Senior
0
1
Undergraduate
5
0
Graduate
23
0
Smartphone owner, n
Yes
28
3
<0.001
No
0
25
Smart bracelet experienceb, n
Yes
16
0
<0.001
No
12
28
Fall history in the last yearc, n
Yes
6
8
0.537
No
22
20
Self-reported health statusd, mean (SD)
6.3 (0.9)
4.9 (1.2)
0.005
Self-reported walking abilityd, mean (SD)
6.3 (0.7)
5.6 (1.3)
0.018
Note. BMI, body mass index; SD, standard deviation. aCalculated as weight in kilograms divided by height in meters squared. bDetermined by asking the question “Do you have prior experience of using a smart bracelet?” cDetermined by asking the question “Did you fall unintentionally in the last year?” dDetermined by a seven-point Likert scale, with 1 indicating not good at all and 7 indicating very good. Significant at the 0.05 level.