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Table 4 Parameter estimates in models for WBC and HDL for all subjects (analysis data set)

From: Adaptive regression modeling of biomarkers of potential harm in a population of U.S. adult cigarette smokers and nonsmokers

a) Model for WBC

R2= 0.29

Parameters

Value

Std. Error

t value

P value

Intercept

-6.4951

1.4436

-4.50

<0.001

TOTNN.IFGT.51

-0.0055

0.0026

-2.17

0.030

TOTNN.IFLT.471

0.0078

0.0023

3.36

0.001

TOTNN.IFGT.471

0.0065

0.0026

2.49

0.013

CRP.IFLT.2

0.3426

0.0548

6.25

<0.001

CRP.IFGT.2

0.0715

0.0096

7.48

<0.001

CRP.IFGT.20

-0.0477

0.0169

-2.82

0.005

PLATE.IFLT.245

0.0106

0.0014

7.69

<0.001

PLATE.IFGT.245

0.007

0.0007

10.64

<0.001

HGB.IFLT.14

0.3242

0.0477

6.80

<0.001

TRIG.IFLT.171

0.0051

0.0008

6.32

<0.001

TRIG.IFGT.503

0.0025

0.0008

3.17

0.002

RACE.EQ.BLACK

-0.679

0.0914

-7.42

<0.001

b) Model for HDL

R 2 = 0.39

Parameters

Value

Std. Error

t value

P value

Intercept

55.4292

2.948

18.80

<0.001

COTIN.IFGT.31

-0.0291

0.0036

-7.97

<0.001

COTIN.IFGT.193

0.0258

0.0069

3.75

0.000

TRIG.IFGT.52

-0.5819

0.0786

-7.40

<0.001

TRIG.IFGT.64

0.483

0.0816

5.92

<0.001

TRIG.IFGT.177

0.0753

0.0086

8.76

<0.001

WEIGHT.IFLT.76

-0.267

0.032

-8.34

<0.001

WEIGHT.IFGT.76

-0.0834

0.0157

-5.30

<0.001

AGE.IFLT.55

0.3119

0.0197

15.83

<0.001

SEX.EQ.F

6.72

0.4723

14.23

<0.001

DRINK.EQ.Y

2.0567

0.5099

4.03

0.0001

DRINK.GT.1.PER.WK

7.875

0.5393

14.60

<0.001

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BMC Medical Research Methodology

ISSN: 1471-2288

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