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Table 3 Mixed model for the overall sample predicting %BF

From: The association between television viewing time and percent body fat in adults varies as a function of physical activity and sex

  Coefficient Standard error
Fixed effects
Grand intercept 28.16*** 2.54
TV (h/wk) .85** .28
Age (y) .12*** .03
Race/ethnicity 2.19* 1.03
Education level −1.23 1.13
Environmental score −.49 .33
Depression symptoms .13 .10
Perceived stress .17 .20
Physical Activity Level − 1.90* .96
Sex −9.40*** 1.02
Random effects   
Level 1 variance 92.62*** 6.43
Level 2 variance .98 2.22
Model fit
AIC 3345  
n (individuals) 454  
k (block groups) 21  
  1. *p < 0.05;**p < 0.005;***p < 0.001. AIC – Akaike’s Information Criterion; Level 1 is the residual variance and Level 2 is the variance for intercept across block group