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Table 4 Mixed models predicting %BF in inactive and active subjects

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

 

Not meeting PA guidelines

Meeting PA guidelines

Coefficient

Standard error

Coefficient

Standard error

Fixed effects

Grand intercept

25.01****

3.33

33.56****

3.80

TV (h/wk)

1.03***

.37

.15

.44

Age (y)

.17****

.05

.06

.05

Race/ethnicity

2.13

1.35

2.46

1.55

Education level

−.56

1.46

−3.40

1.86

Environmental score

−.58

.45

−.55

.48

Depression symptoms

.16

.14

.07

.16

Perceived stress

.22

.27

.17

.32

Sex

−9.91****

1.39

−7.96****

1.53

Random effects

    

Level 1 variance

105.05****

9.20

71.11****

8.66

Level 2 variance

3.64

2.78

2.01

4.43

Model fit

AIC

2147

 

1182

 

n (individuals)

287

 

167

 

k (block groups)

21

 

21

 
  1. *p < 0.05;**p < 0.01;***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
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BMC Public Health

ISSN: 1471-2458

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