Table 2.
Sensitivity analysis results.
| Outcome | Number of trials | Pooled MDa estimates (95% CI) | I2 (%) | |||
| Pooled MD estimates excluding skewed data | ||||||
|
|
Steps per day | k=1 [44] | 393 (−677.66 to 1463.66) | —b | ||
|
|
MVPAc (min/d) | k=3 [38,48,56] | −18.89 (−63.09 to 25.32) | 95.9 | ||
|
|
Screen time (min/d) | k=1 [36] | −48.30 (−55.55 to −41.05)d | — | ||
|
|
Sedentary time (min/d) | k=4 [33,37,54,56] | −36.69 (−93.97 to 20.58) | 86.9 | ||
| Pooled MD estimates excluding high risk of bias data | ||||||
|
|
Counts per minute | k=1 [40] | 10 (−66.48 to 86.48) | — | ||
|
|
MVPA (min/d) | k=10 [34,35,39,42,44,48,50,54,56,67] | 0.54 (−6.07 to 7.14) | 88.4 | ||
|
|
LPAe (min/d) | k=3 [48,54,67] | 9.27 (−19.10 to 37.65) | 73.3 | ||
|
|
Screen time (min/d) | k=2 [35,40] | −26.41 (−95.73 to 42.91) | 0.0 | ||
|
|
Sedentary time (min/d) | k=4 [37,42,54,67] | −27.08 (−70.79 to 16.63) | 86.8 | ||
| Pooled MD estimates excluding nonobjectively measured data | ||||||
|
|
MVPA (min/d) | k=11 [33-35,38,39,42,44,48,53,54,67] | −1.33 (−7.02 to 4.35) | 85.6 | ||
|
|
LPA (min/d) | k=4 [33,48,54,67] | 8.57 (−8.37 to 25.51) | 60.7 | ||
|
|
Screen time | k=0 | — | — | ||
|
|
Sedentary time (min/d) | k=6 [33,37,42,53,54,67] | −26.45 (−51.80 to −1.10) | 79.8 | ||
| Pooled MD estimates excluding converted data | ||||||
|
|
Counts per minute | k=1 [33] | 10.00 (−66.48 to 86.48) | — | ||
|
|
Steps per day | k=0 | — | — | ||
|
|
MVPA (min/d) | k=6 [33,34,39,50,53,67] | 3.66 (−2.17 to 9.50) | 7.3 | ||
|
|
LPA (min/d) | k=3 [33,54,67] | 14.94 (−11.52 to 41.40) | 0.0 | ||
|
|
Screen time (min/d) | k=2 [45,47] | −60.32 (−804.46 to 683.81) | 61.7 | ||
|
|
Sedentary time (min/d) | k=4 [33,53,54,67] | −15.23 (−44.22 to 13.75) | 0.0 | ||
| Pooled MD estimates including only healthy population | ||||||
|
|
Steps per day | k=1 [44] | 393 (−677.66 to 1463.66) | — | ||
|
|
MVPA (min/d) | k=8 [33,35,38,44,50,53,54,56] | −2.86 (−14.45 to 8.74) | 81.4 | ||
|
|
LPA (min/d) | k=3 [33,54,56] | 2.66 (−50.21 to 55.54) | 77.4 | ||
|
|
Screen time (min/d) | k=4 [35,36,40,47] | −26.20 (−31.06 to −21.34) | 0.0 | ||
|
|
Sedentary time (min/d) | k=5 [33,37,53,54,56] | −35.81 (−74.77 to 3.14) | 82.9 | ||
aMD: mean difference.
bNot available.
cMVPA: moderate to vigorous physical activity.
dItalicized values indicate statistical significance (P≤.05).
eLPA: light physical activity.