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Table 1 Comparison between groups in demographics, eating psychopathology and OGTT-derived metabolic variables

From: Reactive hypoglycemia in binge eating disorder, food addiction, and the comorbid phenotype: unravelling the metabolic drive to disordered eating behaviours

 

Groups

Statistics

 

no-BED/FA

(n = 80)

BED

(n = 43)

FA

(n = 24)

BED-FA

(n = 53)

F/χ2

p

ŋ2

Bonferroni post-hoc

Age

41.1 (11.9)

36.5 (12.6)

43 (11.8)

39.6 (13.4)

1.825

ns

  

Sex (f)

58 (72.5)

39 (90.7)

18 (75)

48 (90.6)

10.272

.016

  

BMI

40.7 (7.5)

40.6 (7.6)

42.7 (8.4)

41.7 (7.6)

0.599

ns

  

BES

     

196.296

 < .001

  
 

Mild

80 (100)

24 (100)

    
 

Moderate

13 (30.2)

15 (28.3)

    
 

Severe

30 (69.8)

38 (71.7)

    

YFAS 2.0

     

232.503

 < .001

  
 

None

80 (100)

43 (100)

    
 

Mild

7 (29.2)

2 (3.8)

    
 

Moderate

10 (41.6)

16 (30.2)

    
 

Severe

7 (29.2)

35 (66.0)

    

FPG†a

90.0 (10.4)

88.1 (12.2)

88.7 (10.0)

91.0 (10.8)

4.365

.006

0.096

BED-FA > FA, BED

FPI†b

18.4 (8.7)

19.9 (11.3)

17.5 (6.8)

19.3 (10.5)

4.296

.007

0.094

BED, BED-FA > OB, FA

Matsuda index†c

2.5 (1.2)

3.1 (1.7)

2.4 (1.3)

2.4 (1.3)

 

ns

  

HOMA-IR†d

4.1 (2.0)

4.5 (3.2)

3.8 (1.5)

4.4 (2.7)

6.386

 < .001

0.134

BED, BED-FA > OB, FA

logIGI†e

1.5 (0.3)

1.5 (0.4)

1.4 (0.3)

1.4 (0.3)

 

ns

  

GTP

    

22.090

.009

  
 

NGT

49 (61.3)

32 (74.4)

11 (45.8)

38 (71.7)

    
 

IFG

4 (5.0)

5 (11.6)

1 (1.9)

    
 

IGT

18 (22.4)

3 (7.0)

10 (41.7)

6 (11.3)

    
 

IFG + IGT

9 (11.3)

3 (7.0)

3 (12.5)

8 (15.1)

    
  1. Bold; significant p-value after Bonferroni correction for multiple comparisons (set at p < .01)
  2. BED: binge eating disorder; FA: food addiction; BMI: body mass index; BES: binge eating scale; YFAS: yale food addiction scale; FPG: fasting plasma glucose; FPI: fasting plasma insulin; HOMA-IR: homeostasis model assessment insulin resistance; IGI: insulinogenic index; GTP: glucose tolerance phenotype; NGT: normal glucose tolerance; IFG: impaired fasting glucose; IGT: impaired glucose tolerance
  3. Insulinogenic index (IGI) was log-transformed before analysis. Means and standard deviations; Frequencies and percentages. Model adjusted for diagnosis, BMI, sex, and age
  4. aSignificant effect of diagnosis (F = 4.365; p = .006; ŋ2 = 0.096), age (F = 11.961; p = .001; ŋ2 = 0.088), diagnosis*sex (F = 3.879; p = .011; ŋ2 = 0.086)
  5. bSignificant effect of diagnosis (F = 4.269; p = .007; ŋ2 = 0.094), BMI (F = 15.319; p =  < .001; ŋ2 = 0.110), sex (F = 13.521; p = .001; ŋ2 = 0.098), age (F = 8.935; p = .003; ŋ2 = 0.067), diagnosis*sex (F = 4.649; p = .004; ŋ2 = 0.101)
  6. cSignificant effect of BMI (F = 14.452; p =  < .001; ŋ2 = 0.104)
  7. dSignificant effect of diagnosis (F = 6.386; p < .001; ŋ2 = 0.134), BMI (F = 14.432; p < .001; ŋ2 = 0.104), sex (F = 9.476; p = .003; ŋ2 = 0.071), diagnosis*sex (F = 6.486; p < .001; ŋ2 = 0.136)
  8. eSignificant effect of age (F = 18.542; p < .001; ŋ2 = 0.130)