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Table 4 Linear mixed-effects model for the standardized physical activity for the complete cases dataset

From: A randomized controlled trial testing a social network intervention to promote physical activity among adolescents

   

s2

b

SE

DF

p

95% CI

 

Random

Participant

Intercept

0.16

      
 

Day

 

Intercept

0.13

     
  

Residual

0.62

      

Fixed

 

Intercept

 

.73

1.03

157.30

.48

[−1.28, 2.74]

 
  

M. period

 

−.19

.07

1159.50

.004*

[−.32, −.06]

 
  

Condition

 

−.17

.09

245.60

.07

[−.35, .01]

 
  

Sex

 

−.40

.08

152.50

.001*

[−.56, −.24]

 
  

Age

 

−.03

.08

153.70

.70

[−.19, .13]

 
  

Athletic competence

 

.18

.03

149.40

<.001*

[.10, .26]

 
  

M. Period * Condition

 

.10

.09

1152.60

.27

[−.08, .28]

 
  1. Note. N = 190. CI = Confidence interval. Marginal R2 = 0.09. Conditional R2 = 0.39. *Significant at p < 0.05