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. Author manuscript; available in PMC: 2014 Aug 26.
Published in final edited form as: Obesity (Silver Spring). 2008 Nov 13;17(1):150–155. doi: 10.1038/oby.2008.477

Table 1.

Adolescents characteristics by more severe categories of BMI

BMI ≥ 99th percentile BMI ≥ 40 (kg/m2) 35 ≤ BMI <40 (kg/m2)
n n (%) n (%) n (%)
Total sample 3,220 236 (7) 88 (3) 142 (4)
Age group
    12–14.9 years 2,007 159 (8) 43 (2) 77 (4)
    15–17.9 years 1,213 77 (6) 45 (4) 65 (5)
Gender
    Male 1,540 113 (7) 27 (2) 48 (3)
    Female 1,680 123 (7) 61 (4) 94 (6)
Age at skeletal maturity
    Males
      12–14.9 years 1,008 73 (7) 13 (1) 26 (3)
      15–17.9 years 532 40 (8) 14 (3) 22 (4)
    Females
      12–12.9 years 336 31 (9) 3 (1) 20 (6)
      13–17.9 years 1,344 92 (7) 58 (4) 74 (6)
Race/ethnicity
    Non-Hispanic white 230 15 (7) 8 (3) 11 (5)
    Non-Hispanic black 1,774 155 (9) 54 (3) 94 (5)
    Hispanic 522 30 (6) 8 (2) 15 (3)
    Others 694 36 (5) 18 (3) 22 (3)