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Table 2 Tracking coefficients for total volume and accumulation patterns of physical activity and sedentary time

From: Volume and accumulation patterns of physical activity and sedentary time: longitudinal changes and tracking from early to late childhood

  Standardised tracking (β) coefficients1
  Boys Girls Total sample
Total SED (min/day) 0.49 0.64 0.56
Total LPA (min/day) 0.52 0.58 0.54
Total MPA (min/day) 0.35 0.56 0.52
Total VPA (min/day) 0.54 0.60 0.58
SED breaks (number/day) 0.32 0.28 0.32
≥ 1-min SED bouts (min/day) 0.46 0.62 0.53
≥ 5-min SED bouts (min/day) 0.39 0.47 0.41
≥ 10-min SED bouts (min/day) 0.30 0.34 0.31
≥ 15-min SED bouts (min/day) 0.24 0.23 0.24
≥ 20-min SED bouts (min/day) 0.14 0.16 0.16
≥ 1-min LPA bouts (min/day) 0.60 0.42 0.53
≥ 5-min LPA bouts (min/day) 0.14 0.03 0.05
≥ 1-min MPA bouts (min/day) 0.22 0.33 0.35
≥ 1-min VPA bouts (min/day) 0.41 0.26 0.35
≥ 5-min VPA bouts (min/day) 0.40 0.28 0.43
  1. Notes: 1Tracking coefficients defined as weak (< 0.30), moderate (0.30–0.60), and strong (> 0.60); boldface indicates p < 0.05 for to non-standardised coefficients
  2. Abbreviations: LPA light-intensity physical activity; MPA moderate-intensity physical activity; SED sedentary time; VPA vigorous intensity physical activity