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Table 4 Random intercept models, BMI as outcome measure for patients with BMI ≤ 18.5 at admission (n = 56) and AN patients (n = 46)

From: Impact of female adult eating disorder inpatients’ attitudes to compulsive exercise on outcome at discharge and follow-up

Fixed part

Null model

  

Model 1

  

Model 2

  
 

Null model AN a

Model 1 AN

Model 2 AN

Intercept

Coefficient (SE)

z-value p-value3

95 % CI

Coefficient (SE)

z-value p-value3

95 % CI

Coefficient (SE)

z-value p-value3

95 % CI

BMI

18.53 (0.28)

67.86***

19.04; 20.18

21.80 (0.49)

44.92***

20.86; 22.76

20.66 (0.52)

33.79***

19.64; 21.68

18.33 (0.25)

72.63***

17.84; 18.83

21.83 (0.59)

36.72***

20.67; 23.00

20.68 (0.61)

33.90***

19.48; 21.87

EED global score

   

-1.37 (0.19)

-7.29***

-1.73, -1.00

-1.67 (0.29)

-5.78***

-2.24; -1.10

-1.45 (0.23)

-6.34***

-1.90; -1.00

-1.82 (0.34)

-5.34***

-2.49; -1.15

BAT sum score

      

0.07 (0.01)

4.85***

0.04; 0.10

0.08 (0.02)

4.85***

0.05; 0.11

BDI sum score

      

-0.10 (0.02)

-4.96***

-0.14; -0.06

-0.11(0.24)

-4.60***

-0.16; -0.06

Random part

         

  1ψ variance

0.00

   

0.00

 

0.27

  

0.00

0.00

0.31

  2θ variance

7.49

   

5.68

 

4.49

  

8.34

6.39

4.88

Derived estimates

         

  R-squared

    

24.2

 

36.5

  

23.5

37.8

  ICC

0.00

   

0.00

 

0.06

  

0.00

0.00

0.06

  Log likelihood

-405.1

   

-382.0

 

-366.9

  

-324.9

-307.4

-293.7

  1. aAll values of AN patients are written in bold
  2. EED, Exercise and Eating Disorders, BAT Body Attitude Test, BDI: Beck depression Inventory
  3. 1ψ Variance: Variance between patients. 2θ Variance: Variance within observations in patients
  4. ICC Intraclass correlation. 3 p-values: * p < .05, ** p < .01, and *** p < .001