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Table 4 Results of the linear regression analysis for the change in children’s sick days between baseline (2010) and follow-up (2011) in the BW Study

From: Effects of statewide health promotion in primary schools on children’s sick days, visits to a physician and parental absence from work: a cluster-randomized trial

 

All (n = 1268)

Grade 1 (n = 654)

Covariate

B (SE)

β

p-Value

B (SE)

β

p-Value

Intervention

−0.30 (0.22)

−0.02

0.182

−0.83 (0.28)

−0.06

0.003

Grade 1

−1.15 (0.23)

0.09

<0.001

   

Female

0.30 (0.22)

0.02

0.175

0.11 (0.28)

0.01

0.708

Migration background

0.49 (0.26)

0.03

0.060

0.59 (0.34)

0.04

0.085

Sick days baseline value

−0.74 (0.02)

0.77

<0.001

−0.78 (0.02)

0.83

<0.001

R 2

0.62

  

0.69

  
  1. B regression coefficient, SE standard error, β standardized regression coefficient