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Table 4 Effect estimates of events and time on subsequent increase or decrease of aversive tension in adolescents with AN

From: Aversive tension in female adolescents with Anorexia Nervosa: a controlled ecological momentary assessment using smartphones

 

Increases

   

Decreases

   

Fixed effects

Estimate

SE

t a

p b

Estimate

SE

t a

p b

Intercept

−2.04

1.05

−1.95

.066

−0.90

1.20

−0.75

.461

Time

−0.02

0.01

−1.71

.105

−0.01

0.01

−0.94

.357

Food Intake

−0.86

0.33

−2.65

.017*

0.77

0.29

2.68

.016*

School

−0.63

0.35

−1.80

.090

−0.13

0.34

−0.37

.717

Sport

0.17

0.87

0.19

.849

−0.57

1.08

−0.53

.602

Random effects

Variance

SE

  

Variance

SE

  

Intercept

0.69

0.68

  

0.21

0.46

  

Time

0

   

< 0.01

< 0.01

  

Covariance

< 0.01

0.01

  

< − 0.01

0.02

  

Residual

0.94

0.07

  

0.95

0.08

  
  1. Note: N = 20 persons, 354 observations, increases and decreases were coded 1 if aversive tension changes of at least 10% and 0 if no or little change occurred within the following 90 min
  2. *Significant effect at α=.05
  3. aWe took a conservative approach to specify degrees of freedom specified on number of subjects. Degrees of freedom are 19 each for intercept and time, 17 for all additional effects
  4. bAll p-values are two-tailed