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Table 2 Correlation among study variables

From: Associations between adolescents’ physical activity behavior and their perceptions of parental, peer and teacher support

variable 1 2 3 4 5 6
1. MVPA [days/week]      
2. teachers support (sten) 0.15*a     
3. parents support (sten) 0.12*a 0.20*a    
4. peers support (sten) 0.09*a 0.19*a 0.37*a   
5. BMI [Cole] 0.24*b 0.17b 0.07b 0.06b  
underweight vs normal weight 0.25*b      
underweight vs overweight       
normal weight vs overweight       
6. involvement in sports training 0.85*b 0.10b 0.19b 0.07b 1.18c
no training vs amateur training 0.57*b      
no training vs professional training 0.90*b      
amateur training vs professional training 0.31*b      
7. gender 3.01*d 1.64d −4.30*d −1.05d 30.73*c 0.40c
Mean 3.62 5.68 5.66 6.00   
SD 1.698 2.022 2.060 2.369   
range (min-max) 0–7 2–10 1–10 1–10   
  1. * - p < 0.05, a Spearman’s R, b effect size (d), c chi-square test, d Mann-Whitney U test (Z)