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Table 2 BMI Groups by Gender and Grade (N = 1,112)

From: The face of appearance-related social pressure: gender, age and body mass variations in peer and parental pressure during adolescence

 

Underweight

Low average-weight

High average-weight

Overweight

p

(< 25thpercentile)

(25th≥ BMI < 50thpercentile)

(50th≥ BMI < 85thpercentile)

(BMI ≥ 85thpercentile)

Girls

32.7%

27.5%

31.3%

8.5%

.027

Boys

27.7%

25.1%

34.0%

13.2%

 

Grade 7

33.6%

27.2%

27.2%

12.0%

n.s.

Grade 8

29.5%

27.0%

32.9%

10.6%

 

Grade 9

27.6%

24.7%

38.8%

9.0%

 
  1. Note. The BMI ranking was assigned using the WHO norms and weight status was classified following Jones & Crawford (2006).