Table 1 Participant characteristics.

From: Validity and reliability of the Apple Health app on iPhone for measuring gait parameters in children, adults, and seniors

Characteristics

Children (n = 27)

Adults (n = 28)

Seniors (n = 28)

Age (years)

14.0 ± 1.5

31.3 ± 11.3

75.6 ± 5.7

Sex (female)

17 (63.0)

17 (60.7)

22 (78.6)

Chronic diseases (yes)

0 (0.0)

0 (0.0)

2 (7.1)

BMI (kg/m2)

20.2 ± 5.3

23.7 ± 2.9

23.5 ± 2.7

Underweight

0 (0.0)

0 (0.0)

1 (3.6)

Normal weight

23 (85.2)

22 (78.6)

19 (67.9)

Overweight

4 (14.8)

6 (21.4)

8 (28.6)

SOMCT (pt.)

2.0 [4.0–6.0]

0.0 [0.0–2.0]

2.5 [0.0–4.0]

Handgrip strength (kg)

31.4 ± 6.1

42.2 ± 10.1

27.4 ± 9.1

Low

0 (0.0)

1 (3.6)

7 (25.0)

Normal

15 (55.6)

22 (78.6)

19 (67.9)

High

12 (44.4)

5 (17.9)

2 (7.1)

EQ-5D-3L (pt.)

1.00 ± 0.1

0.99 ± 0.03

0.93 ± 0.10

EQ VAS (pt.)

88.7 ± 12.3

86.9 ± 8.3

72.1 ± 5.2

IPAQ-SF (MET-min/week)

4880 [4096–5514]

5529 [3287–7230]

6031 [3309–9171]

Low PAL

2 (7.4)

0 (0.0)

1 (3.6)

Moderate PAL

2 (7.4)

4 (4.3)

6 (21.4)

High PAL

23 (85.2)

24 (85.7)

21 (75.0)

  1. Data given as n (%), median [interquartile range], or mean ± standard deviation.
  2. BMI body mass index, SOMCT Short Orientation-Memory-Concentration Test, EQ-5D-3L EuroQol 5-Dimensions 3-Levels questionnaire, EQ VAS EuroQol visual analogue scale, IPAQ-SF International Physical Activity Questionnaire-Short Form, PAL physical activity level.