Australia (n = 4)
|
Hnatiuk et al. (2012) [23]
|
Cluster RCT
|
N = 295
|
586.4 (65.1), ≥20 min of consecutive zeros
|
Waking hours, 7 days
|
ActiGraph GT1M, Waist, 15-s
|
Trost et al.
|
TPAΦ = 232.4 (34.1)
|
NR
|
10
|
Age = 19.1 (2.3), NR
|
LPA = 184.5 (30.7)
|
MVPA = 47.9 (16.2)
|
Hnatiuk et al. (2017) [47]
|
Cross-sectional
|
N = 136
|
658.6 (94.8), ≥20 min of consecutive zeros
|
Waking hours, 7 days
|
ActiGraph GT3X, Waist, 15-s
|
Trost et al.
|
TPA = 303.8 (53.9)
|
NR
|
8
|
Age = 32.4 (10.2), 12–36
|
LPA = 228.4 (34.8)
|
MVPA = 75.4 (27.3)
|
Oftedal et al. (2015) [48]
|
Cohort
|
N = 20
|
571 (72), Consecutive zeros matching accelerometer logged ‘device removal’
|
Waking hours, 3 days
|
ActiGraph GT3X, Waist, 5-s
|
Oftedal et al.
|
NR
|
279.8 (28.6) Φ
|
9
|
Age = 26.4 (6.0), 18–36
|
Santos et al. (2017) [24]
|
RCT
|
N = 202
|
1297.4 (93), Accelerometer logged ‘device removal’ (only full 24 h days included in analyses)
|
24 h, 7 days
|
ActiGraph GT3X+, Waist, 15-s
|
Trost et al.
|
TPA = 295.0 (59.0)
|
262.8 (60.2)
|
10
|
Age = 19.7 (4.1), 12–28
|
LPA = 237.7 (44.2)
|
MVPA = 57.3 (21.4)
|
Canada (n = 4)
|
Bisson et al. (2018) [44]
|
Cohort
|
N = 255
|
527.1 (174.0), ≥20 min of consecutive zeros
|
Waking hours, 7 days
|
ActiGraph GT3X, Waist, 15-s
|
Trost et al.
|
TPA = 223.3 (80.4)
|
NR
|
10
|
Age = 25.2 (2.4), NR
|
Borkhoff et al. (2015) [45]
|
Cross-sectional
|
N = 27
|
582 (48), ≥60 min of consecutive zeros
|
12 h, 7 days
|
Actical, Waist, 2-s
|
Adolph et al.
|
TPA = 193.8 (63.7)
|
385.9 (52.4)
|
10
|
Age = 19.1 (5.3), 12–30
|
Wong et al.
|
LPA = 185.1 (57)
|
MVPA = 8.7 (12)
|
Lee et al. (2017) [29]
|
Cross-sectional
|
N = 151
|
618 (84), ≥20 min of consecutive zeros
|
Waking hours, 7 days
|
ActiGraph wGT3X-BT, Waist, 15-s
|
Trost et al.
|
TPA = 298.9 (40.9)
|
316.7 (40.6)
|
9
|
Age = 19 (1.9), 12–23
|
Pate et al.
|
LPA = 240.2 (29.3)
|
MVPA = 58.7 (18.7)
|
Vanderloo et al. (2015) [46]
|
Cross-sectional
|
N = 40
|
606.8 (38.8), ≥60 min of consecutive zeros
|
Waking hours, 7 days
|
Actical, Waist, 15-s
|
Trost et al.
|
TPAΦ = 107.2 (33.3)
|
499.43 (33.3) Φ
|
10
|
Age = 25.7 (5.9), 18–29
|
LPAΦ = 99.0 (29.3)
|
MVPAΦ = 8.29 (7.3)
|
China (n = 1)
|
Johansson et al. (2016) [28]
|
Cross-sectional
|
N = 79
|
NR - min 15 h to be valid, NR
|
15 h, 7 days
|
ActiGraph GT3X, Wrist, 5-s
|
Johansson et al.
|
TPAΦ = 235 (83.2)
|
545.0 (99.0)
|
10
|
Age = 24.5 (1.6), NR
|
LPA = 195.0 (79.0)
|
MVPA = 40.0 (26.0)
|
Malawi (n = 1)
|
Pulakka et al. (2017) [50]
|
RCT
|
N = 380
|
810, ≥20 min of consecutive zeros
|
15 h, 5 days
|
ActiGraph GT3X+, Waist, 15-s
|
Trost et al.
|
MVPAΦ = 89.9 (28.4)
|
432.5 (66.4) Φ
|
10
|
Age = 18.1 (0.6), NR
|
Netherlands (n = 1)
|
Wijtzes et al. (2013) [27]
|
Cohort
|
N = 347
|
488, ≥10 min of consecutive zeros
|
24 h, 1 weekday, 1 weekend day
|
ActiGraph Am-7164, Waist, 15-s
|
Sirard et al.
|
TPAΦ = 72.9 (28.3)
|
415.1 (28.3) Φ
|
9
|
Age = 25.1 (1.1), NR
|
LPAΦ = 48.5 (16.1)
|
MVPAΦ = 24.4 (14.6)
|
New Zealand (n = 1)
|
Taylor et al. (2018) [25]
|
RCT
|
N = 568
|
NR - min 20 h to be valid, ≥20 min of consecutive zeros
|
24 h, 7 days
|
Actical, Waist, 15-s
|
Pfeiffer et al.
|
TPAΦ = 228.0 (61.4)
|
519.8 (62.0) δ
|
9
|
Ageδ = 16.7 (0.3), 12–35.9
|
Adolph et al.
|
LPAδ = 221.5 (61.0)
|
Trost et al.
|
MVPAδ = 6.5 (7.1)
|
Sweden (n = 1)
|
Johansson et al. (2016) [28]
|
Cross-sectional
|
N = 146
|
NR - min 15 h to be valid, NR
|
15 h, 7 days
|
ActiGraph GT3X, Wrist, 5-s
|
Johansson et al.
|
TPAΦ = 334.0 (40.2)
|
445.0 (68.0)
|
10
|
Age = 24.4 (1.2), NR
|
LPA = 261.0 (49.0)
|
MVPA = 73.0 (29.0)
|
Switzerland (n = 1)
|
Herzig et al. (2017) [33]
|
Cross-sectional
|
N = 19
|
NR - min 10 h to be valid, ≥20 min of consecutive zeros
|
14 h, 8 days
|
ActiGraph wGT3X, Waist, 30-s
|
Butte et al.
|
MVPA = 54.8 (NR)
|
NR
|
8
|
Age = 33.6 (NR), 31.2–34.8
|
United States (n = 6)
|
Armstrong et al. (2018) [36]
|
Cross-sectional
|
N = 195
|
NR - min 24 h to be valid, NR
|
24 h, 7 days
|
Actical, Ankle, 60-s
|
Hager et al.
|
NR
|
172.7 (39.6)
|
10
|
Age = 20.3 (5.6), 12–32
|
Dlugonski et al. (2017) [37]
|
Cross-sectional
|
N = 7
|
672.4 (74), Accelerometer logged ‘device removal’
|
Waking hours, 7 days
|
ActiGraph GT3X, Waist, 60-s
|
Trost et al.
|
TPAΦ = 294.2 (64.9)
|
NR
|
9
|
Age = NR, 12.0–35.9
|
LPA = 257.4 (61.3)
|
MVPA = 36.8 (21.3)
|
Hager et al. (2016) [38]
|
Cross-sectional
|
N = 191
|
NR - min 24 h to be valid, NR
|
24 h, 7 days
|
Actical, Ankle, 60-s
|
Hager et al.
|
TPAΦ = 636.5 (96.4)
|
NR
|
9
|
Age = 20.1 (NR), 12–32
|
LPA = 582.4 (87.5)
|
MVPA = 54.1 (40.4)
|
Hauck & Kim (2019) [41]
|
Cross-sectional
|
N = 35
|
503.8 (146.4)δ, ≥20 min of consecutive zeros
|
At least 3 h, at least 3 days (avg. 6.0 monitoring days δ)
|
ActiGraph GT3X
|
Trost et al.
|
NR
|
348.0 (95.3) δ
|
10
|
Age = NR, 18-24
|
Waist, 15-s
|
Kwon et al. (2019) [42]
|
Cross-sectional
|
N = 19
|
499.0a (NR), Accelerometer logged ‘device removal’ and ≥ 20 min of consecutive zeros
|
Waking hours, at least 4 days (1 weekend day)
|
ActiGraph GT3X
|
Trost et al.
|
TPAΦ = 208.0 (30.0)
|
NR
|
10
|
Age = NR, 12-35
|
Waist, 15-s
|
LPA = 161.0 (26.0)
|
MVPA = 47.0 (15.0)
|
McCullough et al. (2018) [43]
|
Cross-sectional
|
N = 65
|
606 (78), ≥20 min of consecutive zeros
|
Waking hours, 7 days
|
ActiGraph, Waist, 15-s
|
Trost et al.
|
TPA = 293.7 (60.1)
|
312.6 (61.3)
|
10
|
Age = 29 (4), 24–35
|
LPAΦ = 232.4 (53.4)
|
MVPA = 61.3 (27.6)
|
Other - Europe (Multi-Country: Italy, Estonia, Belgium, Sweden, Germany, Hungary, Spain; n = 1)
|
Konstabel et al. (2014) [26]
|
Cohort
|
N = 131
|
740 (100), ≥20 min of consecutive zeros
|
Waking hours, at least 3 days (1 weekend day)
|
ActiGraph (GT1M, ActiTrainer), Waist, 15-s and 60-s
|
Evenson et al.
|
TPAδ = 435.8 (60.3)
|
239.2 (68.8) δ
|
9
|
Age = NR, 24–35.9
|
LPAδ = 411. 8 (58.9)
|
MVPAδ = 24.0 (13.1)
|