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Table 3 Impact of participation in PA intervention on odds of child obesity/overweight combined

From: Does school-based physical activity decrease overweight and obesity in children aged 6–9 years? A two-year non-randomized longitudinal intervention study in the Czech Republic

  n 1stGrade 2ndGrade 3rdGrade
September 2006 April 2007 September 2007 April 2008 September 2008
OR CI OR CI OR CI OR CI OR CI
Group            
 Control 88 Ref   Ref   Ref   Ref   Ref  
 Intervention 88 1.17 0.57-2.40 0.64 0.31-1.32 0.34* 0.16-0.72 0.13 0.05-0.34 0.09 0.04-0.27
Gender            
 Girls 84 Ref   Ref   Ref   Ref   Ref  
 Boys 92 2.64* 1.24-5.62 2.38* 1.13-5.01 1.99 0.94-4.20 2.02 0.91-4.49 1.85 0.83-4.12
R 2   0.05   0.06   0.10   0.21   0.25  
  1. N: number; OR: odds ratio; CI: confidence interval; statistical significance *p < 0.005, p < 0.001; R2: Nagelkerke coefficient of determination, logistic regression model, Enter method.