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Table 6 Multiple regression analyses (stepwise); predicting lnCRP levels (lowest value obtained from 2 or 3 blood withdrawal days) entering body mass index (BMI), age, smoking behaviour, and alcohol consumption into the regression. Results are given for men, no-oral contraceptives (OC) using women, and oral contraceptives using women, separately.

From: Diagnostic strategies for C-reactive protein

Men

Variable

Ī² coefficient

p-value

R2

Constant

-1.485

0. 057

Ā 

Smoking

0.161

0.000

0.211

BMI#

2.646

0.000

0.315

Age#

-1.107

0.003

0.338

No OC-using women

Variable

Ī² coefficient

p-value

R2

Constant

-3.912

0.000

Ā 

BMI#

2.623

0.000

0.342

Age#

0.467

0.049

0.359

OC-using women

Variable

Ī² coefficient

p-value

R2

Constant

-4.085

0.000

Ā 

BMI#

3.659

0.000

0.282

  1. (Note; BMI = body mass index; lnCRP = natural logarithmic transformed C-reactive protein; OC = oral contraceptives; # = transformed to normal distribution before entered into the analyses)