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Table 2 Adjusted odds ratios (ORs) with associated 95 % confidence interval (CI) for insulin resistance

From: Elevated circulating irisin is associated with lower risk of insulin resistance: association and path analyses of obese Chinese adults

 

Insulin Resistance

Variables

OR

95 % CI

P value

Model 1

Serum irisina

0.878

0.776–0.993

0.039*

Adiposity measurements

BMI (kg/m2)

1.212

1.155–1.272

<0.001***

Waist circumference (cm)

1.079

1.056–1.102

<0.001***

Body fat (%)

1.174

1.132–1.217

<0.001***

Interaction effect

 Serum irisin* Body fat (%)

  

0.640

Model 2

Serum irisina

0.875

0.773–0.989

0.034*

Adiposity measurements

BMI (kg/m2)

1.211

1.154–1.271

<0.001***

Waist circumference (cm)

1.079

1.056–1.103

<0.001***

Body fat (%)

1.174

1.131–1.217

<0.001***

Interaction effect

 Serum irisin * Body fat (%)

  

0.624

Model 3

Serum irisina

0.871

0.765–0.991

0.036*

Adiposity measurements

BMI (kg/m2)

1.157

1.101–1.217

<0.001***

Waist circumference (cm)

1.063

1.039–1.086

<0.001***

Body fat (%)

1.132

1.090–1.176

<0.001***

Interaction effect

 Serum irisin* Body fat (%)

  

0.817

  1. Model 1 was adjusted for sex and age
  2. Model 2 was further adjusted for educational level, ever smoking, ever drinking and regular physical exercise
  3. Model 3 was further adjusted for systolic blood pressure and HDL
  4. * p < 0.05, ***p < 0.001
  5. aOR and 95%CI was expressed as per SD increase of log transformed serum irisin