Skip to main content

Table 2 Seasonal influenza vaccination and H1N1 infection stratified by healthy users and social determinants

From: The potential effect of temporary immunity as a result of bias associated with healthy users and social determinants on observations of influenza vaccine effectiveness; could unmeasured confounding explain observed links between seasonal influenza vaccine and pandemic H1N1 infection?

Healthy User = 0

Social Determinant = 1

 

H1N1

 

Total

 
   

+

-

  
 

Vaccinated

+

12

28

40

 
  

-

48

112

160

 
   

60

140

200

 

Healthy User = 1

Social Determinant = 1

 

H1N1

 

Total

 
   

+

-

  
 

Vaccinated

+

140

60

200

 
  

-

140

60

200

 
   

280

120

400

 

Healthy User = 0

Social Determinant = 0

 

H1N1

 

Total

 
   

+

-

  
 

Vaccinated

+

64

96

160

 
  

-

96

144

240

 
   

160

240

400

 

Summary Table

   

H1N1

 

Total

 
   

+

-

  
 

Vaccinated

+

216

184

400

OR§ =1.3

  

-

284

316

600

95% CI: 1.0 to 1.7

   

500

500

1000

OR M-H = 1.0

      

95% CI: 0.8 to 1.3

Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us