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Table 3 Results of psychological construct scales

From: Intention to receive a COVID-19 vaccine: results from a population-based survey in Canada

Attitude or norm Mean score (SD) Cronbach’s Alpha
Attitudes towards a COVID-19 vaccine (n = 4205)
 A COVID-19 vaccine would be beneficial 4.6 (0.8)  
 A COVID-19 vaccine would be beneficial for children 4.5 (0.9)  
 A COVID-19 vaccine would be beneficial for individuals 60-years and older 4.7 (0.8)  
 COVID-19 is a serious illness 4.7 (0.8)  
 A COVID-19 vaccine would be beneficial for the health of my community 4.7 (0.8)  
 A COVID-19 vaccine would be safe 3.9 (0.9)  
 A COVID-19 vaccine would be effecting in presenting COVID-19 4.1 (0.9)  
 A COVID-19 vaccine should be mandatory 3.5 (1.3)  
 Overall 34.6 (5.8) 0.91
Direct Social norms (n = 4224)
 Most people who are important to me would think that I should receive the COVID-19 vaccine 4.2 (1.1)  
 People who are important to me would expect me to receive the COVID-19 vaccine 4.1 (1.1)  
 I would feel under social pressure to receive a COVID-19 vaccine 3.1 (1.3)  
 Everyone I know would get the COVID-19 vaccine 3.4 (1.1)  
 Overall 14.8 (3.3) 0.69
Indirect Social norms (n = 4141)
 My family physician (or other primary Health Care Provider) would approve/disapprove of me receiving a COVID-19 vaccine 1.4 (0.8)  
 What my family physician (or other primary Health care Provider) thinks is important to me 4.2 (0.8)  
 The BC Public Health Officer would approve/disapprove of me receiving the COVID-19 vaccine 1.5 (0.7)  
 What the BC Public Health Officer recommends is important to follow 4.3 (0.8)  
 My coworkers would approve/disapprove of me receiving the COVID-19 vaccine 1.2 (0.9)  
 What my coworkers think is important to me 3.4 (1.0)  
 My employer/work institution would approve/disapprove of me receiving the COVID-19 vaccine 1.3 (0.8)  
 What my employer/work institution thinks is important to me 3.6 (0.9)  
 The educational institution (elementary/high school/college/university) that I or my children attend/are associated with would approve/disapprove of me receiving the COVID-19 vaccine 1.3 (0.8)  
 What my school/children’s school thinks is important to me 3.5 (0.9)  
 My friends would approve/disapprove of me receiving the COVID-19 vaccine 1.1 (0.8)  
 What my friends think is important to me 3.6 (0.8)  
 My family would approve/disapprove of me receiving the COVID-19 vaccine 1.3 (0.8)  
 What my family thinks is important to me 4.2 (0.8)  
 Overall 22.4 (11.8)* 0.89
Perceived Behavioural Controls (n = 4300)
 It would be difficult to receive the COVID-19 vaccine 3.9 (1.0)  
 I could easily receive a COVID-19 vaccine if I wanted to 4.0 (0.9)  
 It would be completely up to me whether I received the COVID-19 vaccine 3.9 (1.0)  
 How much control do you feel you would have over whether you receive a COVID-19 vaccine? 4.2 (1.0)  
 Overall 16.1 (2.6) 0.62
  1. *Does not include items for: coworkers, employers, or education, due to missing data