Table 1 Descriptive statistics of the items in the measure

Perceived susceptibility

17.478

1.164

−0.07

− 0.278

S6: I am at risk for COVID-19

3.671

1.047

−0.699

−.064

S7: I believe I am more likely to get COVID-19

3.208

1.102

0.008

−0.777

S8: The coronavirus will likely enter my body

3.295

1.101

−0.125

−0.791

S9: I am less at risk for COVID-19 than other members of my family

3.292

1.164

−0.251

−0.867

S10: If I contact a patient with COVID-19, my chances of getting COVID-19 are very high

4.004

0.870

−0.915

0.943

Perceived severity

22.045

3.841

−1.957

5.088

S1: I believe that COVID-19 is a serious problem

4.449

0.891

−2.144

4.962

S2: I believe that COVID-19 has bad effects on health

4.417

0.775

−1.863

4.982

S3: I believe that COVID-19 is a serious threat to my health

4.346

0.859

−1.568

2.437

S4: I believe that COVID-19 is a significant disease

4.458

0.723

−1.738

4.454

S5: I believe that COVID-19 can cause serious problems and even death

4.475

0.805

−2.002

4.655

Perceived self-efficacy: If a vaccine is produced, if I want, I’m sure I can get the COVID-19 vaccine

3.984

0.941

−0.9

0.783

Perceived response efficacy

8.220

3.751

−0.981

1.937

R1: If a vaccine is produced, vaccination reduces the risk of COVID-19 or its complications

4.064

0.827

−0.852

1.296

R2: If a vaccine is produced, vaccination will help me worry less about getting COVID-19

4.155

0.833

−1.212

2.194

Intention: If a vaccine is produced, I plan to get the COVID-19 vaccine

4.068

0.975

−1.161

1.457