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Table 2 Agreements between weight status based on IOTF, CDC and WHO classification systems

From: Overweight and obesity prevalence among Cree youth of Eeyou Istchee according to three body mass index classification systems

 

CDC

 

IOTF

Normal weight

Overweight

Obese

Total

 Normal weight

95 (32.99%)

0

0

95

 Overweight

6 (2.08%)

51 (17.71%)

13 (4.51%)

70

 Obese

0

0

123 (42.71%)

123

Total

101

51

136

288

 

WHO

 

IOTF

Normal weight

Overweight

Obese

Total

 Normal weight

90 (31.25%)

5 (1.74%)

0

95

 Overweight

1 (0.35%)

50 (17.36%)

19 (6.60%)

70

 Obese

0

0

123 (42.71%)

123

Total

91

55

142

288

 

CDC

 

WHO

Normal weight

Overweight

Obese

Total

Normal weight

91 (31.60%)

0

0

91

Overweight

10 (3.47%)

45 (15.63%)

0

55

Obese

0

6 (2.08%)

136 (47.22%)

142

Total

101

51

136

288

  1. % of agreement = 91.32%; κw = 0.91, 95% CI: 0.87–0.94; P < 0.001
  2. % of agreement = 94.45%; κw = 0.94, 95% CI: 0.91–0.97; P < 0.001
  3. % of agreement was calculated by adding concordant percentages
  4. CDC Centers for Disease Control and Prevention; CI confidence interval; IOTF International Obesity Task Force; κw weighted Kappa; WHO World Health Organization