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Table 3 Proportion of association of non-traditional CVRF with MetS mediated by BMI

From: Associations of non-traditional cardiovascular risk factors and body mass index with metabolic syndrome in the Chinese elderly population

 

Unadjusted model

Adjusted model

 

Estimate(95%CI)

P-value

Estimate(95%CI)

P-value

Binary scale, HUA (vs. Non-HUA)

    

 Total Effect (OR)

1.609(1.295–1.923)

< 0.001

2.030(1.530–2.530)

< 0.001

 Natural Direct Effect (OR)

1.324(1.079–1.569)

0.010

1.578(1.209–1.948)

0.002

 Natural Indirect Effect (OR)

1.215(1.137–1.294)

< 0.001

1.287(1.183–1.391)

< 0.001

 Percentage Mediated (%)

46.80(29.80–63.79)

< 0.001

43.89(30.38–57.40)

< 0.001

Continuous scale, Per SD in UA

    

 Total Effect (OR)

1.274(1.187–1.361)

< 0.001

1.485(1.352–1.618)

< 0.001

 Natural Direct Effect (OR)

1.127(1.053–1.200)

< 0.001

1.268(1.159–1.377)

< 0.001

 Natural Indirect Effect (OR)

1.131(1.103–1.159)

< 0.001

1.171(1.133–1.210)

< 0.001

 Percentage Mediated (%)

53.76(39.56–67.96)

< 0.001

44.77(34.71–54.84)

< 0.001

Binary scale, HHCY (vs. Non-HHCY)

    

 Total Effect (OR)

1.023(0.885–1.160)

0.747

1.339(1.101–1.577)

0.005

 Natural Direct Effect (OR)

0.975(0.851–1.099)

0.688

1.212(1.008–1.416)

0.042

 Natural Indirect Effect (OR)

1.049(1.003–1.096)

0.038

1.104(1.041–1.168)

0.001

 Percentage Mediated (%)

211.93(-997.27–1421.13)

0.731

37.34(13.86–60.83)

0.002

Continuous scale, Per SD in Ln HCY

    

 Total Effect (OR)

0.976(0.911–1.042)

0.479

1.082(0.984–1.179)

0.100

 Natural Direct Effect (OR)

0.959(0.898–1.020)

0.191

1.042(0.953–1.131)

0.354

 Natural Indirect Effect (OR)

1.018(0.995–1.040)

0.125

1.038(1.008–1.069)

0.015

 Percentage Mediated (%)

-71.78(-319.92–176.36)

0.571

48.58(-6.03–103.20)

0.081

Binary scale, HHsCRP (vs. Non-HHsCRP)

    

 Total Effect (OR)

1.497(1.218–1.776)

0.0005

1.560(1.210–1.909)

0.002

 Natural Direct Effect (OR)

1.318(1.085–1.552)

0.0076

1.386(1.090–1.682)

0.011

 Natural Indirect Effect (OR)

1.136(1.069–1.203)

< 0.001

1.125(1.047–1.203)

0.002

 Percentage Mediated (%)

36.02(18.78–53.25)

< 0.001

30.99(13.16–48.83)

0.001

Continuous scale, Per SD in Ln HsCRP

    

 Total Effect (OR)

1.360(1.266–1.455)

< 0.001

1.349(1.237–1.461)

< 0.001

 Natural Direct Effect (OR)

1.213(1.132–1.293)

< 0.001

1.205(1.109–1.301)

< 0.001

 Natural Indirect Effect (OR)

1.122(1.095–1.149)

< 0.001

1.120(1.088–1.152)

< 0.001

 Percentage Mediated (%)

40.93(31.40–50.46)

< 0.001

41.34(29.58–53.09)

< 0.001

  1. Note: Adjusted for age group, gender, occupation, education, monthly income, current smoking, current drinking, physical activity, ASCVD, liver, kidney, and thyroid dysfunction
  2. Abbreviations: CVRF, cardiovascular risk factors; MetS, metabolic syndrome; BMI, body mass index; UA, uric acid; HUA, hyperuricemia; Ln HCY, natural logarithm of homocysteine; HHCY, hyperhomocysteinemia; Ln HsCRP, natural logarithm of hypersensitive C-reactive protein; HHsCRP, high hypersensitive C-reactive protein; ASCVD, arteriosclerotic cardiovascular disease; SD, standard deviation; OR, odds ratio; CI, confidence interval