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Table 4 Multivariate linear regression models for predicting the determinants of the plasma homocysteine and cysteine levels a

From: Dietary protein and plasma total homocysteine, cysteine concentrations in coronary angiographic subjects

 

Homocysteine (μmol/L)

Cysteine (μmol/L)

 

Model 1

Model 2

Model 3

Model 1

Model 2

Model 3

Characteristics

βb

P c

βb

P c

βb

P c

βb

P c

βb

P c

βb

P c

Age (y)

0.06

0.03

0.02

0.47

0.03

0.30

0.01

0.88

0.01

0.91

0.01

0.90

Sex

0.03

0.29

0.05

0.08

0.05

0.12

0.01

0.75

0.01

0.75

0.02

0.52

BMI, kg/m2

0.05

0.08

0.04

0.16

0.05

0.09

0.01

0.79

0.01

0.88

0.01

0.89

Total energy intake, MJ/d

0.03

0.23

0.02

0.34

0.03

0.25

0.02

0.53

-0.01

0.81

0.01

0.84

Total fat intaked

0.02

0.48

0.02

0.60

-0.01

0.63

-0.03

0.35

-0.03

0.39

-0.02

0.53

Total protein intaked

0.20

<0.001

0.39

<0.001

0.40

<0.001

0.13

0.001

0.12

0.002

0.12

0.002

Animal protein intaked

0.35

<0.001

0.31

<0.001

0.33

<0.001

0.10

0.001

0.09

0.003

0.10

0.003

Plant protein intaked

-0.19

<0.001

-0.28

<0.001

-0.35

<0.001

-0.03

0.37

-0.02

0.68

-0.01

0.76

Folate, nmol/L

  

-0.17

<0.001

-0.16

<0.001

  

-0.09

0.006

-0.09

0.007

PLP, nmol/L

  

0.03

0.37

0.03

0.24

  

-0.05

0.10

-0.05

0.09

Vitamin B12, pmol/L

  

-0.19

<0.001

-0.15

<0.001

  

0.05

0.08

0.05

0.13

Triglycerides, mmol/L

    

0.01

0.93

    

0.04

0.30

Total cholesterol, mmol/L

    

-0.03

0.59

    

-0.05

0.11

LDL cholesterol, mmol/L

    

0.07

0.17

    

0.01

0.80

HDL cholesterol, mmol/L

    

-0.01

0.91

    

-0.02

0.63

Fasting plasma glucose, mmol/L

    

0.01

0.94

    

-0.05

0.11

Creatinine, μmol/L

    

0.12

<0.001

    

0.03

0.30

  1. aAll variables in each model were entered simultaneously.
  2. bβ values are standardized coefficients.
  3. cBold P values are statistically significant.
  4. d% of total energy intake.