Table 3 Linear regression model of change in ST or SF (predictors) and change in BMI (outcome) between time points, adjusted for change in MVPA and sex

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

BMI

Co-efficient

95% CI

P-value

ST Δ 7 and 9 years (n 400)

−0.02

−0.04

0.00

0.053

ST Δ 9 and 12 years (n 348)

0.02

−0.02

0.05

0.316

ST Δ 12 and 15 years (n 260)

0.01

−0.03

0.06

0.594

SF Δ 7 and 9 years (n 400)

0.06

0.00

0.13

0.049

SF Δ 9 and 12 years (n 348)

−0.09

−0.18

0.00

0.046

SF Δ 12 and 15 years (n 260)

0.05

−0.05

0.15

0.322

  1. Abbreviations: BMI, body mass index; CI, confidence interval; 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 between time points.
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