Table 5 Reasons for non-vaccination against COVID-19 reported by the unvaccinated and partially vaccinated participants

Reasons for vaccination refusal among unvaccinated individuals (n = 3,996)

 I am concerned about possible side effects of a COVID-19 vaccine

1,637

41.0%

 I do not think vaccines are beneficial

959

24.0%

 I faced difficulty in registration

776

19.4%

 I think vaccines unsafe during pregnancy and lactation

649

16.2%

 I think vaccines unsafe for chronic disease patients

466

11.7%

 I do not believe I need a COVID-19 vaccine

162

4.1%

 I heard that COVID-19 vaccines can lead to death

47

1.2%

 I already had COVID-19

34

0.9%

Reasons for incomplete vaccination schedule among partially vaccinated individuals (n = 1,166)

 Intend to complete the vaccination

650

55.7%

 Crowded disorganized vaccination center

70

6.0%

 Problem with registration

51

4.4%

 Vaccine unavailable

22

1.9%

 Inaccessible center

20

1.7%