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Table 3 Time and interaction effects for LPA, MPA, VPA, total PA, and MVPA in preschoolers from low SES, medium SES and high SES kindergartens (adjusted for sex and age)

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

  Low SES n = 169 (I = 102, C = 67) Medium SES n = 149 (I = 104 , C = 45) High SES n = 154 (I = 95, C = 59)
  PRE (%) POST (%) Time Time * condition PRE (%) POST (%) Time Time * condition PRE (%) POST (%) Time Time * condition
ß ß ß ß ß ß
LPA
Day I 47.0 46.4 −0.04 −0.52 48.9 47.0 −3.00 *** 1.08 46.7 46.4 0.08 −0.38
  C 45.5 45.4    49.2 46.2    45.7 45.8   
Weekday I 48.0 47.0 −0.13 −0.95 48.8 47.8 −3.33 *** 2.35 ** 46.9 45.9 −1.09 0.04
  C 46.5 46.4    49.6 46.3    46.4 45.3   
Weekend day I 44.8 45.3 0.63 −0.10 48.1 45.6 −3.04 ** 0.49 46.6 47.7 1.53 −0.44
  C 43.1 43.7    47.6 44.6    45.5 47.0   
School hours1 I 49.6 39.6 −1.07 −1.17 ** 49.8 38.6 −1.25 ** 1.04 48.1 41.3 −1.58 *** 1.36 ***
  C 47.4 44.5    50.9 40.9    45.8 29.0   
After school hours I 38.1 35.1 −3.26 ** 0.26 38.7 31.3 −1.98 −5.40 * 39.3 35.5 −11.80 *** 7.97 ***
  C 38.2 34.9    39.0 37.1    37.2 25.4   
MPA
Day2 I 5.8 6.3 0.23 0.32 5.8 6.3 1.16 ** −1.07 5.7 6.7 −1.01 1.21 **
  C 5.7 5.9    5.5 6.4    5.9 5.9   
Weekday2 I 5.8 6.1 0.28 −0.01 5.6 6.1 1.20 ** −1.10 5.4 6.6 −1.04 1.26 **
  C 5.7 6.0    5.5 6.5    5.8 5.6   
Weekend day3 I 5.2 5.6 1.09 −1.01 6.0 6.6 0.12 0.41 6.2 6.7 1.06 1.01
  C 5.0 5.4    5.9 6.0    6.0 6.4   
School hours4 I 5.9 5.8 −0.21 0.08 5.6 5.3 1.09 −1.13 5.9 6.5 −0.95 ** 1.64 ***
  C 5.9 5.7    5.6 6.1    5.9 5.0   
After school hours1 I 4.5 4.0 −1.14 1.03 4.3 4.1 1.11 −1.15 4.3 4.5 −1.37 ** 1.41 **
  C 4.1 3.6    4.2 4.7    4.5 3.3   
VPA
Day1 I 1.6 2.1 1.14 1.14 1.6 2.0 1.33 ** −1.05 1.9 2.4 1.03 1.26 *
  C 1.8 2.0    1.5 2.1    1.9 1.9   
Weekday1 I 1.4 1.8 1.09 1.12 1.4 1.9 1.54 *** −1.14 1.6 2.2 −1.01 1.42 **
  C 1.6 1.7    1.3 2.0    1.7 1.7   
Weekend day1 I 1.7 2.4 1.26 * 1.09 1.6 1.9 −1.00 1.21 2.3 2.7 1.17 1.01
  C 1.9 2.4    1.8 1.8    1.9 2.2   
School hours1 I 1.2 1.5 1.26 ** 1.05 1.1 1.8 1.55 *** 1.05 1.3 1.9 1.58 *** −1.09
  C 1.2 1.5    1.2 1.8    1.3 2.1   
After school hours1 I 1.2 1.4 −1.29 * 1.50 ** 1.1 1.9 1.38 1.25 1.3 1.4 1.05 1.04
  C 1.3 1.0    1.1 1.5    1.5 1.5   
Total PA
Day I 54.5 55.2 0.65 −0.004 57.1 56.1 −1.62 0.60 54.8 56.1 0.21 1.12
  C 53.2 53.8    57.0 55.4    54.0 54.2   
Weekday I 55.6 55.3 0.52 −0.78 56.7 56.6 −1.58 1.52 54.6 55.4 −1.28 2.08
  C 54.0 54.6    57.0 55.4    54.6 53.4   
Weekend day I 52.9 54.7 2.02 −0.30 56.2 54.6 −2.81 1.19 56.3 58.3 2.84 * −0.76
  C 51.1 53.1    56.0 53.2    54.4 57.3   
School hours1 I 56.6 47.9 −1.05 −1.12 ** 57.3 47.9 −1.18 ** −1.01 55.9 50.6 −1.40 *** 1.27 ***
  C 54.6 51.8    58.6 49.7    53.6 38.2   
After school hours I 45.0 42.2 −3.66 * 0.91 45.7 50.7 −0.85 5.82 * 46.2 43.0 −12.66 *** 9.52 ***
  C 44.9 41.2    45.6 44.7    44.6 32.0   
MVPA
Day2 I 7.5 8.7 0.67 * 0.53 7.4 8.4 1.20 ** −1.06 7.7 9.3 1.00 1.21 **
  C 7.8 8.4    7.1 8.6    7.9 8.0   
Weekday1 I 7.0 7.5 1.05 1.02 7.1 8.1 1.27 *** −1.11 7.1 8.9 −1.02 1.29 **
  C 7.0 7.4    6.8 8.7    7.7 7.5   
Weekend day1 I 7.1 8.2 1.13 1.02 7.3 8.2 1.00 1.12 8.9 9.8 1.12 −1.01
  C 7.1 8.0    7.5 7.6    8.1 9.0   
School hours1 I 6.7 7.0 1.03 1.01 6.8 7.6 1.18 ** −1.05 6.8 8.2 1.03 1.16
  C 6.6 6.8    6.9 8.2    7.0 7.2   
After school hours1 I 5.7 5.8 −1.20 ** 1.22 * 5.6 6.6 1.15 1.02 5.8 6.1 −1.15 1.22
  C 5.7 5.7    5.6 6.4    6.1 5.4   
  1. *p < 0.10, **p < 0.05, ***p < 0.001.
  2. 1Variable was log-transformed for all three SES-levels.
  3. 2Variable was log-transformed for medium SES and high SES.
  4. 3Variable was log-transformed for low SES and high SES.
  5. 4Variable was log-transformed for medium SES.
  6. 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; SES = Socio-Economic Status.
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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