Table 2 Regression coefficients calculated on log2-transformed data spanning pre- and post-pandemic periods.

From: Changes in heterosubtypic antibody responses during the first year of the 2009 A(H1N1) influenza pandemic

Outcome

Intercept

Estimates with standard errors (SE)

Adjusted R2

H1.99

H3.03

H1.07

H3.07

H1.09

H7.03

5.99

-0.03

0.05

0.05

0.16

0.25

0.28

SE

0.14

0.013

0.011

0.013

0.012

0.009

 
 

***

*

***

***

***

***

 

H9.99

3.90

-0.12

 

0.14

0.29

0.35

0.38

SE

0.15

0.014

 

0.014

0.011

0.010

 
 

***

***

 

***

***

***

 

H9.07

4.22

-0.05

0.08

0.11

0.16

0.32

0.37

SE

0.15

0.013

0.011

0.014

0.013

0.011

 
 

***

***

***

***

***

***

 
  1. Outcome refers to reactivity against heterologous antigens on which serological responses against recent human influenza virus antigens were regressed (explanatory variables). The number of asterisks indicates level of significance.
  2. Significance codes: 0 ***0.001 **0.01 *0.05.1.
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