Table 2 Mean differences between the change in sedentary behavior (predictor) and the change in adiposity (outcome), adjusted for sex, MVPA and seasonality (n 659)

From: Longitudinal study of the associations between change in sedentary behavior and change in adiposity during childhood and adolescence: Gateshead Millennium Study

Bivariate model

Co-efficient

95% CI

P-value

Model 1 (ST and BMI)

 ST 7 and BMI 7 years

−0.05

−0.07

−0.03

<0.001

 ST 7 years and BMI Δ

−0.02

−0.03

−0.01

<0.001

 ST Δ and BMI Δ

0.08

0.06

0.10

<0.001

Model 2 (ST and FMI)

 ST 7 and FMI 7 years

−0.05

−0.07

−0.04

<0.001

 ST 7 years and FMI Δ

−0.02

−0.03

−0.01

<0.001

 ST Δ and FMI Δ

0.15

0.11

0.19

<0.001

Model 3 (SF and BMI)

 SF 7 and BMI 7 years

−0.002

−0.11

0.11

0.968

 SF 7 years and BMI Δ

0.04

−0.06

0.15

0.409

 SF Δ and BMI Δ

0.07

0.06

0.09

<0.001

Model 4 (SF and FMI)

 SF 7 and FMI 7 years

−0.01

−0.12

0.11

0.927

 SF 7 years and FMI Δ

0.05

−0.06

0.15

0.396

 SF Δ and FMI Δ

0.14

0.10

0.18

<0.001

  1. Abbreviations: BMI, body mass index; CI, confidence interval; FMI, fat mass index; MVPA, percentage of daily time spent in moderate-to-vigorous physical activity; SF, fragmentation of sedentary time; ST, percentage of daily time spent sedentary.
  2. Δ: change from 7 to 15 years of age; Δ change between time points.
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