Canada (n = 1)
|
Borkhoff et al. (2015) [45]
|
Cross-sectional
|
N = 20
|
552 (54), ≥60 min of consecutive zeros
|
12 h, 7 days
|
Actical, 2-s
|
Waist
|
78.2 (30.8)
|
10
|
Age = 8.2 (1.8), 4–10
|
China (n = 1)
|
Jia et al. (2018) [49]
|
Cross-sectional
|
N = 143
|
NR, NR
|
14 h, 7 days
|
ActiGraph GT3X, 60-s
|
Wrist
|
2580.5 (475.7)
|
10
|
Age = 9 (0.8), 9
|
Taiwan (n = 1)
|
Wang et al. (2019) [51]
|
Cross-sectional
|
N = 183
|
NR, ‘Device removal’ time replaced with mean activity counts
|
24 h, 7 days
|
Actiwatch 2, 30-s
|
Ankle
|
432.3 (124.8) a
|
10
|
Age = 6.6 (0.4), 6
|
United States (n = 2)
|
Tsai et al. (2011) [40]
|
Cross-sectional
|
N = 22
|
NR, ‘Device removal’ replaced with the adjacent activity counts, external motion time was removed from analysis
|
16 h, 7 days
|
Actiwatch, 30-s
|
Ankle
|
144.0 (66.0) a
|
9
|
Age = 1.6 (0.6), 0.5–2.5
|
Pitchford et al. (2017) [39]
|
Cross-sectional
|
N = 23
|
556.2 (157.2), ≥2 min of consecutive zeros matching accelerometer logged ‘device removal’ within a 30-min window
|
Daytime, 7 days
|
ActiGraph GT3X, 15-s
|
Ankle and Wrist
|
1758.6 (609.6) a b
|
9
|
Age = 6.3 (3.6), 1–12
|