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Table 2 Agreement between body weight perception and actual body weight status based on measured BMI among urban, low-income African American students, by gender

From: Measured body mass index, body weight perception, dissatisfaction and control practices in urban, low-income African American adolescents

   Based on measured BMI*   
  Self-judged status Underweight Normal weight Overweight or obese Overall Agreement (%) Weighted Kappa (95%CI)
All      67.2 0.44 (0.37, 0.51)
  Underweight 1.8 9.8 0.7   
  Normal weight 0.9 42.9 16.7   
  Overweight or obese 0.0 4.7 22.5   
Boys      59.9 0.32 (0.22, 0.42)
  Underweight 2.6 11.8 1.0   
  Normal weight 0.5 42.3 22.7   
  Overweight or obese 0.0 4.1 15.0   
Girls      72.8 0.53 (0.44, 0.62)
  Underweight 1.2 8.3 0.4   
  Normal weight 1.2 43.3 12.2   
  Overweight or obese 0.0 5.1 28.3   
  1. *The figures presented in the cells are the percentages and the total for each group is 100%.
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BMC Public Health

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