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Table 4 Estimated relative difference in adiposity associated with replacing context-specific sedentary behaviors with physical activity among girls (n = 208)

From: Replacing school and out-of-school sedentary behaviors with physical activity and its associations with adiposity in children and adolescents: a compositional isotemporal substitution analysis

  LPA
30 min/day reallocation
MPA
10 min/day reallocation
VPA
2 min/day reallocation
Percentage change (95% CI) Percentage change (95% CI) Percentage change (95% CI)
Fat mass (%)
 SB to PA (school time) 13.9 (−0.4, 30.3) − 1.5 (−10.9, 8.9) 3.8 (−1.4, 7.7)
 PA to SB (school time) −15.5 (−29.1, 0.8) 2.8 (−11.4, 19.2) −9.7a (−22.7, 5.4)
 SB to PA (out-of-school time) −10.1 (−17.9, −3.3) 1.4 (−4.1, 7.1) −3.7 (−7.3, 0.1)
 PA to SB (out-of-school time) 13.5 (3.3, 24.7) −1.9 (−8.0, 4.7) 8.5 (−0.5, 18.3)
Fat mas index (kg/m2)
 SB to PA (school time) 18.3 (−1.5, 42.2) −1.2 (−14.2, 13.7) 4.1 (−2.1, 10.7)
 PA to SB (school time) −19.9 (−37.1, 2.1) 2.3 (−16.9, 25.9) −12.8a (−29.7, 8.3)
 SB to PA (out-of-school time) −14.0 (−24.0, −2.7) 1.6 (−6.3, 10.2) −4.0 (−9.1, 1.4)
 PA to SB (out-of-school time) 18.0 (2.3, 36.1) −2.3 (−11.1, 7.5) 9.0 (−3.7, 23.4)
  1. CI confidence interval, LPA light physical activity, MPA moderate physical activity, PA physical activity, SB sedentary behaviors, VPA vigorous physical activity
  2. aEstimate is based on 1.5 min/day reallocation because the model was unable to estimate differences due to the low compositional mean of school VPA
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