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Table 1 Hierarchical multiple regression analysis of factors associated with intention to receive 2009 H1N1 vaccination.

From: Determinants of adults' intention to vaccinate against pandemic swine flu

Variables

Adjusted R2

Beta

Block 1: Demographic Variables

0.07

 

Age

 

0.19***

Gender (1 = female, 2 = male)

 

-0.08

Employment status (1 = employed, 2 = unemployed)

 

0.19***

Source (1 = internet, 2 = paper)

 

0.01

Block 2: Theory of Planned Behaviour Variables

0.51

 

Attitude

 

-0.47****

Subjective norm

 

-0.22****

Perceived control

 

-0.19***

Self-efficacy

 

-0.06

Block 3: Extended Theory of Planned Behaviour Variables

0.56

 

Anticipated regret

 

-0.19***

Last year, did you have a vaccination for ordinary seasonal flu?, (1 = yes)

 

-0.04

Do you intend to have a vaccination for ordinary seasonal flu this year? (1 = yes)

 

-0.14*

Knowledge

 

0.02

Block 4: Health Belief Model Variables

0.60

 

Perceived susceptibility

 

0.01

Perceived severity

 

-0.06

Perceived benefits:

  

Vaccination is a good idea because I feel less worried about catching swine flu

 

0.07

Vaccination decreases my chance of getting swine flu or its complications

 

-0.24***

If I get vaccinated for swine fu, I will decrease the frequency of having to consult my doctor

 

-0.12**

Perceived barriers:

  

The side-effects of swine flu vaccination interfere with my usual activities

 

-0.04

I am scared of needles

 

0.05

I cannot be bothered to get a swine flu vaccination

 

0.13***

  1. **** p < .0001, *** p < .005, ** p < .01, * p < .05