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Table 7 Predictive validity: fully conditional FV % consumed model with four CAFES scale scores

From: Cafeteria assessment for elementary schools (CAFES): development, reliability testing, and predictive validity analysis

FV % CONSUMEDa

Final estimation of fixed effects

Level

Fixed Effect

n b

Coefficient

SE

t-ratio

d.f.

p-value c

For Intercept, β 0

γ00 Intercept

16

−0.61

0.30

−2.03

9

0.073

 

γ01% FRPM

 

−0.48

0.21

−2.25

9

0.051d

 

γ02% Minority

 

−0.34

0.12

−2.83

9

0.020

 

γ03 Room scale

 

0.72

0.21

3.48

9

0.007

 

γ04 Table/display scale

 

1.34

0.37

3.58

9

0.006

 

γ05 Plate scale

 

−0.24

0.05

−5.31

9

< 0.001

 

γ06 Food scale

 

0.44

0.12

3.57

9

0.006

For Grade, β 1

γ10 Intercept

1011

0.03

0.03

0.81

1052

0.416

 

Final estimation of variance components

 

Random Effect

 

Variance component

SD

Χ 2

d.f.

p-value c

 

Level 2 μ0j

 

0.011

0.105

75.94

9

< 0.001

 

Level 1 rij

 

0.091

0.301

   
  1. a = with robust standard errors
  2. b = student level 1 and school level 2 sample sizes
  3. c = Bolded p-value indicates significance at the 0.05 alpha level
  4. d = Significant at the 0.10 alpha level