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. 2022 Sep 27:10.1002/hpm.3582. Online ahead of print. doi: 10.1002/hpm.3582

TABLE 1.

Assessing measures with items and sources of TPB and Health Belief Model (HBM)

Model Measures Items No. of items Source
TPB Behavioural intention to receive COVID‐19 I am planning to get the COVID‐19 vaccine this year. 3 Yang (2015)
If I will get an opportunity to get the COVID‐19 vaccine, I will try to get vaccination.
I will put my sincere efforts to get Covid‐19 vaccine.
Attitude towards vaccination I feel that getting the COVID‐19 vaccine is good. 3 Yang (2015)
I feel that getting the COVID‐19 vaccine is beneficial.
I feel that getting the COVID‐19 vaccine is wise decision.
Subjective norm My family members think I should get the COVID‐19 vaccine. 4 Ajzen (1988)
Generally speaking, I want to do what my family members think I should do.
My close friends think I should get the COVID‐19 vaccine.
Generally speaking, I want to do what my close friends think I should do.
Self‐efficacy I know just what to do to get the COVID‐19 vaccine., 3 Ajzen and fishbein (2005)
I know how to get the COVID‐19 vaccine. It is easy for me to get the COVID‐19 vaccine if I wanted to.
Perceived behavioural control If I am offered a vaccine against COVID‐19, I am sure I will be vaccinated, and this decision is entirely up to me. 1 Shmueli (2021)
Health belief model components Perceived susceptibility: The COVID‐19 can happen to many people, including my family, loved ones and friends. 4 Rosenstock (1966)
I Am at risk of suffering from the COVID‐19.
The COVID‐19 can happen anytime to anyone, such as a healthy individual.
The chance of me contracting the COVID‐19 is high.
Perceived severity: The COVID‐19 causes death quickly. 4 Becker (1984)
Many people can die from the COVID‐19.
A person who contracts the COVID‐19 will die if not treated.
The COVID‐19 is a fatal virus.
Perceived benefits Taking the COVID‐19 vaccine will be effective in preventing me from contracting the virus. 3 Yang (2015)
Taking the COVID‐19 vaccine will help to boost my body immunity in battling the virus.
Taking the COVID‐19 vaccine will help me to save my family from infection.
Perceived barrier Taking the COVID‐19 vaccine will result in certain side effects to my body. 3 Yang (2015)
My body may react adversely to the COVID‐19 vaccine.
It is risky to take the COVID‐19 vaccine because there is high risk of side‐effects from COVID‐19 vaccination.