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Table 3 Time and interaction effects for sedentary behaviour outcomes in the total sample (adjusted for age and gender)

From: The effect of a cluster randomised control trial on objectively measured sedentary time and parental reports of time spent in sedentary activities in Belgian preschoolers: the ToyBox-study

  Outcomes   Mean difference (follow-up - baseline) Time Time* Condition
β (SE) 95 % CI β (SE) 95 % CI p-value
Accelerometera SB weekday I +0.96 % 0.96 (0.62) −0.26 to 2.19 −1.31 (0.78) −2.84 to 0.21 0.09
   C −0.35 %
  SB weekend day I −0.86 % −1.12 (0.75) −2.59 to 0.35 0.26 (0.94) −1.58 to 2.10 0.78
   C −1.12 %
  Total SB I −0.41 % 0.52 (0.56) −0.57 to 1.62 −0.93 (0.70) −2.30 to 0.43 0.18
   C +0.52 %
  SB school hours I −1.19 % −0.18 (0.55) −1.25 to 0.90 −1.01 (0.69) −2.36 to 0.33 0.14
   C −0.18 %
  SB after school hours I −0.96 % −1.37 (0.78) −2.90 to 0.16 0.41 (0.97) −1.49 to 2.32 0.67
   C −1.37 %
Questionnaireb TV week I +0.13 min/day 0.73 (1.57) −2.36 to 4.78 −0.59 (2.06) −4.63 to 3.44 0.77
   C +0.73 min/day
  TV weekend I −2.61 min/day 1.90 (2.56) −3.11 to 6.92 −4.51 (3.35) −11.07 to 2.05 0.18
   C +1.90 min/day
  PC week I +4.79 min/day 5.83 (1.04)*** 3.79 to 7.86 −1.04 (1.36) −3.69 to 1.62 0.44
   C +5.83 min/day
  PC weekend I +8.12 min/day 11.17 (1.50)*** 8.23 to 14.11 −3.05 (1.96) −6.90 to 0.80 0.12
   C +11.17 min/day
  Quiet play week I −0.87 min/day −4.44 (2.33) −9.00 to 0.13 3.56 (3.05) −2.41 to 9.53 0.24
   C −4.44 min/day
  Quiet play weekend I −9.19 min/day −7.05 (4.59) −16.05 to 1.95 −2.14 (5.99) −13.89 to 9.60 0.72
   C −7.05 min/day
  1. SB Sedentary Behaviour, TV Television, PC Personal Computer, SE Standard Error, 95 % CI 95 % Confidence Interval, I Intervention group, C Control group
  2. *p < 0.05, **p < 0.01, ***p < 0.001
  3. an = 859 (I = 529, C = 330)
  4. bn = 1715 (I = 961, C = 754)