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Table 3 Physical activity outcomes, extracted from the AX3 (n = 61)

From: Objective assessment of physical activity and sedentary behaviour in knee osteoarthritis patients – beyond daily steps and total sedentary time

Parameter

Mean (±SD)

Range

Total wear time

14. 7 (1.2)

11.7–17.6

Time spent (h)

 Sitting

8.9 (1.8)

4.7–13.3

 Standing

4.0 (1.4)

1.3–9.2

 Walking

1.6 (0.4)

0.4–2.4

 Bicycling

0.2 (0.3)

0.0–1.3

Bouts of steps (n)

 Level

232 (66)

48–379

 Up

25 (15)

4–64

 Down

22 (14)

2–55

Amount of steps (n)

 Total

7934 (2326)

1902–13,560

 Level

7303 (2137)

1611–12,984

 Up

319 (288)

15–1255

 Down

312 (343)

18–2280

Cycling

 Crank revolutions

601 (754)

0–3959

Walking periods (n)

 0–5 s

4.4 (2.7)

0.0–10.7

 5–10 s

61.2 (22.4)

10.2–123.2

 300–600 s

0.5 (0.5)

0.0–1.9

  > 600 s

0.1 (0.2)

0.0–0.8

Sedentary periods (n)

 0–10 s

3.6 (2.7)

0.38–12.0

 10–60 s

15.4 (9.1)

3.3–37.7

 1200–1800 s

2.6 (0.9)

0.6–4.6

  > 1800 s

4.6 (1.7)

1.2–9.2

STS transfers (n)

52 (18)

26–105

Cadence (steps/min)

100.3 (10.6)

74.0–136.8

  1. STS Sit-to-stand