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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).
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