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Table 3 Odd radios and 95% confidence interval of metabolic syndrome according to quartiles of ferritin: a binary logistic regression

From: High serum ferritin level is an independent risk factor for metabolic syndrome in a Chinese male cohort population

     

OR (95% CI)

 

Ferritin

Cases (%)

Unadjusted

p1

Model 1

p2

Model 2

p3

Model 3

p4

1st Q

36(5.97%)

Ref

 

Ref

 

Ref

 

Ref

 

2nd Q

52(8.60%)

1.48(0.92-2.29)

0.08

1.61(1.03-2.52)

0.04

1.59(1.01-2.48)

0.04

1.27(0.77-2.08)

0.35

3rd Q

71(11.72%)

2.08(1.37-3.16)

<0.01

2.21(1.44-3.37)

<0.01

2.11(1.37-3.22)

<0.01

1.32(0.83-2.12)

0.25

4th Q

148(24.54%)

5.12(3.48-7.52)

<0.01

5.08(3.44-7.50)

<0.01

4.90(3.31-7.26)

<0.01

2.29(1.47-3.54)

<0.01

P trend

<0.01

 

<0.01

 

<0.01

 

<0.01

 
  1. 1st Q: <221.4 ng/ml; 2nd Q: 221.4-318.7 ng/ml; 3rd Q: 318.8-459.9 ng/ml; 4th Q: >459.9 ng/ml.
  2. Model 1,Odds radio adjusted for age, model 2 plus model 1 and physical activity, family history of chronic diseases(4 covariates: hypertension, diabetes mellitus, stoke, coronary heart disease), lifestyle factor of alcohol drinking status and smoking status. model 3 further BMI.