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Table 2 Agreement of obesity prevalence measured by Ethiopian and WHO BMI cut-offs with obesity based on  ADP measured body fat percentage among Ethiopian adult males

From: Performance of newly developed body mass index cut-off for diagnosing obesity among Ethiopian adults

Variables

n

Prevalence of obesity

(a) Obesity based on ADP measured body fat > 25% for males (%)

(b) Obesity based on BMI ≥ 30 kg/m2 (%)

Difference (ab) (%)

Kappa

(c) Obesity based on Ethiopian BMI cut-off males > 22.2 kg/m2 (%)

Difference (ac) (%)

Kappa

Age group

 20–30

145

29.7

1.4

28.30

0.019

35.9

− 6.20

0.642

 31–40

86

59.3

5.8

53.50

0.081

57.0

2.30

0.809

 ≥ 41

76

76.3

2.6

73.70

0.017

67.1

9.20

0.775

 Total

307

49.5

2.9

46.60

0.047

49.5

0.00

0.752

Ethnicity

 Oromo

149

38.3

2.0

36.30

0.064

43.0

− 4.70

0.792

 Amhara

73

64.4

5.5

58.90

0.019

63.0

1.40

0.674

 Gurage

16

81.2

6.2

75.00

0.030

56.2

25.00

0.458

 Kefa

12

58.3

0.0

58.30

0.000

58.3

0.00

1.000

 Others

28

57.1

3.6

53.50

0.054

57.1

0.00

0.708

 Dawro

17

52.9

0.0

52.90

0.000

35.3

17.60

0.653

 Yem

12

25.0

0.0

25.00

0.000

33.3

− 8.30

0.800

 Total

307

49.5

2.9

46.60

0.047

49.5

0.0

0.752

  1. Kappa agreement (0 = no/poor), (0.01–0.20 = slight), (0.21–0.40 = fair), (0.41–0.60 = moderate), (0.61–0.80 = substantial), and (0.81–1.00 = almost perfect) (William et al., 2011). BMI cut-off for obesity ≥ 30 kg/m2 is the WHO cut-off [20]
  2. ADP air displacement plethysmography