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Table 3 Energy intake and BMI according to the severity of the ED in preadolescence and in adolescence

From: BDNF Val66Met polymorphism, energy intake and BMI: a follow-up study in schoolchildren at risk of eating disorders

  

Females

Males

  

Preadolescence

Adolescence

p-value

Preadolescence

Adolescence

p-value

  

n

Median(IQR)

n

Median(IQR)

 

n

Median(IQR)

n

Median(IQR)

 
 

Controla

37

2305(678)

50

2266(804)

0.216

30

2601(650)

68

2610(1194)

0.347

 

Riskb

38

2193(599)

9

1871(780)

0.079

36

2554(734)

2

1913(-)

0.191

Energy intake (Kcal/day)

Diagnosisc

20

2070(617)

36

1621(745)

0.058

10

2468(963)

6

2267(946)

0.588

 

   p-valuea-b

0.203

 

0.15

  

0.807

 

0.225

 
 

   adjusted p-valuea-b

0.406

 

0.3

  

1

 

0.45

 
 

   p-valuea-c

0.032

 

0.003

  

0.656

 

0.137

 
 

   adjusted p-valuea-c

0.064

 

0.006

  

1

 

0.274

 

BMI (kg/m 2 )

Controla

36

18.6(4.2)

50

20.5(5)

0.001

30

14.3(3.9)

68

20.2(5)

0.002

 

Riskb

38

19.9(5.3)

9

24.9(11)

0.027

35

19.5(4.5)

2

23.9(-)

0.077

 

Diagnosisc

20

23.7(5.3)

36

23.5(6)

0.758

10

22.7(1.9)

6

24.5(3)

0.039

 

   p-valuea-b

0.016

 

0.007

  

0.276

 

0.174

 
 

   adjusted p-valuea-b

0.032

 

0.14

  

0.552

 

0.348

 
 

   p-valuea-c

<0.001

 

0.006

  

<0.001

 

0.006

 
 

   adjusted p-valuea-c

<0.001

 

0.012

  

<0.001

 

0.012

 
  1. IQR: Interquartil range; adj.:adjusted; Diagnosis: any diagnosis; The adjusted p-value were corrected with the Bonferroni test (post-hoc comparisons between the 2 groups).