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Table 4 Mean difference of body fat percentage and cardiometabolic risk factors according to agreement and non-agreement between weight status based on IOTF and CDC, and IOTF and WHO classification systems

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

 

IOTF vs. CDC

  

Non-agreement IOTF overweight/ CDC obese (n = 13)

Agreement IOTF obese/ CDC obese (n = 123)

Mean difference (95% CI)

P

Body fat, %

34.5 ± 6.6

41.7 ± 6.7

−7.1 (−11.0, −3.2)

<0.001

SBP, mm Hg

104 ± 10.4

108 ± 11.6

−3.5 (−10.2, 3.1)

0.29

DBP, mm Hg

63 ± 8.9

65 ± 11.6

−2.1 (−8.7, 4.4)

0.52

Fasting plasma glucose, mmol/L

5.0 ± 0.40

5.2 ± 0.50

−0.17 (−0.45, 0.12)

0.26

Fasting plasma insulin, pmol/L

142 ± 49

207 ± 135

−65.3 (−102, −28.5)

0.001

HOMA2-IR

2.6 ± 0.86

3.5 ± 2.0

−0.97 (−1.6, −0.36)

0.003

TG, mmol/L

1.1 ± 0.45

1.1 ± 0.61

0.003 (−0.50, 0.51)

0.99

HDL-C, mmol/L

1.2 ± 0.32

1.1 ± 0.28

0.11 (−0.13, 0.35)

0.38

TG/HDL-C ratio

0.97 ± 0.46

1.1 ± 0.72

−0.14 (−0.74, 0.46)

0.64

 

IOTF vs. WHO

  

Non-agreement IOTF overweight/ WHO obese (n = 19)

Agreement IOTF obese/ WHO obese (n = 123)

Mean difference (95% CI)

P

Body fat, %

33.6 ± 6.5

41.7 ± 6.7

−8.1 (−11.3, −4.8)

<0.001

SBP, mm Hg

104 ± 9.3

108 ± 11.6

−4.2 (−9.7, 1.3)

0.13

DBP, mm Hg

63 ± 10.1

65 ± 11.6

−2.2 (−7.7, 3.4)

0.44

Fasting plasma glucose, mmol/L

5.1 ± 0.39

5.2 ± 0.50

−0.12 (−0.36, 0.12)

0.32

Fasting plasma insulin, pmol/L

135 ± 55.3

207 ± 135

−71.9 (−107, −36.6)

<0.001

HOMA2-IR

2.5 ± 0.98

3.5 ± 2.0

−1.1 (−1.7, −0.50)

<0.001

TG, mmol/L

0.97 ± 0.40

1.1 ± 0.61

−0.18 (−0.55, 0.20)

0.36

HDL-C, mmol/L

1.4 ± 0.35

1.1 ± 0.28

0.23 (0.04, 0.42)

0.02

TG/HDL-C ratio

0.77 ± 0.43

1.1 ± 0.72

−0.34 (−0.78, 0.10)

0.13

  1. Values are presented as arithmetic means ± standard deviations. P values were obtained by t-tests
  2. Information on fasting plasma glucose and insulin was missing for 1 participant, on HOMA2-IR for 3 participants, and on TG, HDL-C and TG/HDL-C ratio for 91 participants
  3. CDC Centers for Disease Control and Prevention; DBP diastolic blood pressure; HDL-C high-density lipoprotein cholesterol; HOMA2-IR homeostatic model assessment 2 for insulin resistance; IOTF International Obesity Task Force; SBP systolic blood pressure; TG triglycerides; WHO World Health Organization