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Table 4 Association between serum levels of CRP and SAA and exposure levels, age and gender

From: Occupational exposure levels of bioaerosol components are associated with serum levels of the acute phase protein Serum Amyloid A in greenhouse workers

  

Each factor studied separately

All factors studied in one model

Fixed factor

 

SAA

CRP

SAA

CRP

  

Estimate

p-value

Estimate

p-value

Estimate

p-value

Estimate

p-value

Men and women

        

 Endotoxin

 

0.26

0.011

0.23

0.016

0.34

0.026

0.20

0.14

 Dust

 

0.14

0.46

0.31

0.13

0.19

0.39

0.17

0.48

 Bacteria

 

0.094

0.11

0.038

0.54

0.065

0.46

−0.066

0.47

 Fungi

 

0.030

0.59

0.071

0.23

−0.18

0.039

0.031

0.70

 β-Glucan

 

−0.00079

0.99

0.024

0.070

−0.013

0.85

−0.020

0.73

 Asthma

Yes/no

0.42

0.0084

0.51

0.011

0.30

0.064

0.48

0.041

 Atopy

Yes/no

0.18

0.11

0.12

0.41

0.0057

0.95

−0.02

0.87

 Age group

<40 / >40 years

−0.11

0.30

−0.16

0.23

−0.018

0.84

−0.16

0.22

 Gender

Women versus men

0.24

0.047

0.041

0.78

0.17

0.081

0.0085

0.99

Stepwise regression:a

        
 

Endotoxin

-

-

-

-

0.44

0.0007

0.22

0.022

 

Fungi

-

-

-

-

−0.16

0.023

-

-

 

Asthma

-

-

-

-

0.33

0.016

0.48

0.015

Men

         

 Endotoxin

 

0.24

0.024

0.22

0.011

0.27

0.16

0.12

0.34

 Dust

 

0.30

0.20

0.45

0.020

0.26

0.35

0.23

0.31

 Bacteria

 

0.090

0.17

0.072

0.18

0.092

0.40

−0.052

0.55

 Fungi

 

0.048

0.41

0.11

0.016

−0.16

0.11

0.91

0.20

 β-Glucan

 

0.061

0.33

0.14

0.0074

0.059

0.48

0.20

0.29

 Asthma

Yes/no

0.62

0.012

0.74

0.023

0.54

0.035

0.60

0.08

 Atopy

Yes/no

0.18

0.23

0.17

0.38

0.0031

0.98

0.06

0.72

 Age group

<40/ >40 years

−0.083

0.57

−0.24

0.14

−0.088

0.48

−0.13

0.40

Stepwise regression:

        
 

Endotoxin

-

-

-

-

0.24

0.024

-

-

 

Fungi

-

-

-

-

-

-

0.12

0.0097

 

Asthma

    

0.58

0.012

0.78

0.013

  1. Statistically significant values are in bold. a Statistically significant factors in the stepwise regression