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Table 5 Concordance of baseline BMI, measured vs. self-report

From: Self-reported and measured weights and heights among adults in Seattle and King County

 

Self-reported BMI category

Underweight/normal weight

Overweight

Obese

Agreement

Kappa

p-value

n (%)

n (%)

n (%)

   

Measured BMI category

      

Overall

      

 Underweight/normal weight

158 (98.8)

2 (1.3)

0 (0)

   

 Overweight

17 (14.5)

99 (84.6)

1 (0.9)

90.2 %

0.85

<0.0001

 Obese

0 (0)

21 (14.8)

121 (85.2)

   

Gender

      

 Male

      

  Underweight/normal weight

44 (97.8)

1 (2.2)

0 (0)

   

  Overweight

7 (15.6)

38 (84.4)

0 (0)

88.0 %

0.82

<0.0001

  Obese

0 (0)

8 (18.6)

32 (81.4)

   

 Female

      

  Underweight/normal weight

114 (99.1)

1 (0.9)

0 (0)

   

  Overweight

10 (13.9)

61 (84.7)

1 (1.4)

91.3 %

0.87

<0.0001

  Obese

0 (0)

13 (13.1)

86 (86.9)

   
  1. p-values <0.05 are in bold