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Table 1 Time and interaction effects for PA outcomes in the total sample (adjusted for age and sex)

From: The effect of a kindergarten-based, family-involved intervention on objectively measured physical activity in Belgian preschool boys and girls of high and low SES: the ToyBox-study

n = 472 (I = 301, C = 171)   PRE (%) POST (%) Time Time * condition
ß ß
LPA
Day I 47.7 46.8 −0.80 * −0.06
  C 46.7 45.9   
Weekday I 48.1 47.1 −1.18 ** 0.11
  C 47.4 46.2   
Weekend day I 46.5 46.3 −0.11 −0.09
  C 45.2 45.1   
School hours$ I 49.0 39.6 −1.26 *** 1.02
  C 47.8 37.8   
After school hours I 38.8 34.1 −5.86 *** 1.18
  C 38.3 32.4   
MPA
Day$ I 5.6 6.3 1.05 * 1.06
  C 5.6 5.9   
Weekday$ I 5.5 6.1 1.05 1.05
  C 5.5 5.8   
Weekend day$ I 5.6 6.1 1.05 1.02
  C 5.4 5.7   
School hours I 5.9 6.0 −0.33 0.45
  C 6.0 5.6   
After school hours$ I 4.3 4.2 1.15 ** 1.11
  C 4.3 3.7   
VPA
Day$ I 1.7 2.1 1.16 ** 1.11
  C 1.8 2.0   
Weekday$ I 1.5 1.9 1.16 1.14 *
  C 1.5 1.8   
Weekend day$ I 1.8 2.3 1.17 1.08
  C 1.9 2.2   
School hours$ I 1.2 1.7 1.43 *** 1.02
  C 1.2 1.8   
After school hours$ I 1.2 1.5 −1.02 1.31 **
  C 1.3 1.3   
Total PA
Day I 55.5 56.0 −0.05 0.48
  C 54.6 54.6   
Weekday I 55.7 55.9 −0.48 0.65
  C 55.2 54.7   
Weekend day I 55.1 55.9 0.93 −0.09
  C 53.6 54.6   
School hours$ I 56.4 48.5 −1.19 *** 1.03
  C 55.2 46.2   
After school hours I 45.6 41.5 −6.06 *** 1.93
  C 45.2 39.2   
MVPA
Day$ I 7.4 8.6 1.08 ** 1.07 *
  C 7.5 8.1   
Weekday$ I 7.0 8.1 1.08 1.07
  C 7.2 7.8   
Weekend day$ I 7.7 8.7 1.09 1.04
  C 7.6 8.2   
School hours$ I 6.8 7.6 1.06 1.05
  C 6.8 7.3   
After school hours$ I 5.7 6.1 −1.10 1.18 **
  C 5.9 5.4   
  1. *p < 0.10, **p < 0.05, ***p < 0.001.
  2. $Variable was log-transformed.
  3. LPA = Light Physical Activity; MPA = Moderate Physical Activity; VPA = Vigorous Physical Activity; Total PA = Total Physical Activity; MVPA = Moderate- to Vigorous Physical Activity; I = Intervention group; C = Control group.