Table 1 Items, response scales and internal consistency for assessing measures of the two theoretical behavior models: HBM and TPB
Model | Measures | Items | Mean | Std | a |
|---|---|---|---|---|---|
HBM | Perceived susceptibility | I believe that if I do not get vaccinated, the likelihood of me getting infected with corona will increase | 4.58 | 1.59 | 0.83 |
I believe that if I do not get vaccinated, the likelihood of my family and relatives getting infected in Corona will increase | 4.50 | 1.55 | |||
aPerceived severity | Even if I will get infected with COVID-19 I do not think it will cause me significant suffering or complications | 3.74 | 1.66 | 0.73 | |
Even if I get infected with COVID-19, the likelihood of recovering from the disease is very high | 2.63 | 1.38 | |||
Perceived benefits | I believe that COVID-19 vaccine will have high efficacy in preventing significant suffering and complications of the disease | 4.87 | 1.40 | 0.87 | |
I believe that if I get vaccinated against COVID-19 the risk of getting infected with the disease or infecting others will decrease | 4.97 | 1.39 | |||
Perceived barriers | Getting vaccinated is expensive, requires time and effort | 2.44 | 1.53 | – | |
Cues to action | The chances of me getting vaccinated against COVID-19 will increase if opinion leaders on social media express support for the benefit of the vaccine | 2.98 | 1.94 | 0.79 | |
The chances of me getting vaccinated against COVID-19 will increase if friends and family express support for the benefit of the vaccine | 3.63 | 1.83 | |||
The chances of me getting vaccinated against COVID-19 will increase if official guidelines from the Ministry of Health are published | 4.44 | 1.72 | |||
The chances of me getting vaccinated against COVID-19 will increase if my GP recommends me | 4.29 | 1.77 | |||
If my workplace takes care of vaccinating the workers against COVID-19, I will vaccinate | 4.48 | 1.90 | |||
Health motivation | I exercise as recommended for my age | 3.90 | 1.70 | 0.75 | |
I make sure to eat a healthy and varied diet | 4.24 | 1.39 | |||
TPB | Attitude | Getting vaccinated is a tedious process that requires time and effort | 2.44 | 1.53 | – |
Subjective norms | Most of my friends will support the COVID-19 vaccine | 4.68 | 1.28 | 0.86 | |
If I tell my friends and relatives that I intend to get vaccinated against COVID-19 when a vaccine is available, they will respond positively | 4.99 | 1.23 | |||
PBC | If I am offered a vaccine against COVID-19 for the coming winter, I’m sure I’ll be vaccinated, and this decision is entirely up to me. | 5.05 | 1.29 | – | |
Self-efficacy a | If I take all the necessary precautions (disinfection of hands, etc.) I do not need to be vaccinated against corona | 4.87 | 1.33 | – |