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Table 3 Agreement of obesity prevalence measured by Ethiopian and WHO BMI cut-offs with obesity based on ADP measured body fat percentage among Ethiopian adult females

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

Variables Prevalence of obesity
n (a) Obesity based on ADP measured body fat > 35% for females (%) (b) Obesity based on BMI ≥ 30 kg/m2 (%) Difference in obesity (ab) (%) Kappa (c) Obesity based on Ethiopian BMI cut-off for females > 24.5 kg/m2 (%) Difference in obesity (ac) (%) Kappa
Age group
 20–30 124 39.5 8.1 31.40 0.237 27.4 12.10 0.697
 31–40 164 76.8 23.8 53.00 0.172 66.5 10.30 0.630
 ≥ 41 109 78.0 23.9 54.10 0.163 65.1 12.90 0.647
 Total 397 65.5 18.9 46.60 0.219 53.9 11.60 0.701
Ethnicity        9.50  
 Oromo 106 64.2 20.8 43.40 0.255 54.7 12.20 0.729
 Amhara 140 77.9 27.9 50.00 0.198 65.7 13.70 0.636
 Gurage 22 77.3 9.1 68.20 0.057 63.6 15.80 0.680
 Kefa 38 60.5 10.5 50.00 0.143 44.7 15.00 0.691
 Others 20 45.0 15.0 30.00 0.355 30.0 7.50 0.688
 Dawro 40 52.5 5.0 47.50 0.091 45.0 12.90 0.652
 Yem 31 41.9 9.7 32.20 0.258 29.0 11.6 0.723
 Total 397 65.5 18.9 46.60 0.219 53.9   0.701
  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