Table 1 Efficacy, perceived susceptibility and COVID-19 anxiety by perceived COVID-19 information adequacy

How confident are you that you can protect yourself against COVID-19?

3.77 + 0.84

3.23 + 0.75

4.90***

If you became infected with COVID-19, how confident are you that you could avoid spreading the virus to others?

3.48 + 1.17

2.94 + 1.19

3.36***

If you were to develop symptoms of COVID-19 tomorrow, how worried would you be?

3.83 + 1.12

3.90 + 1.01

− 0.49

In the past one month, how worried have you been about catching COVID-19?

2.27 + 1.08

2.57 + 1.08

− 2.06*

How likely do you think it is that you will contract COVID-19 over the next 1 month?

2.13 + 0.83

2.31 + 0.62

−1.76

How much do you worry that your family and friends could get infected with COVID-19?

3.33 + 1.17

3.79 + 1.05

−2.95**

Anxiety related to COVID-19

2.45 + 3.87

4.15 + 4.76

− 2.90**