Table 2 Association between COVID-19 infection after vaccination and different factors

Age groups

18-27

19 (14.8%)

109 (85.2%)

2.658

0.617

28-37

13 (15.1%)

73 (84.9%)

38-47

3 (8.3%)

33 (91.7%)

48-57

4 (15.4%)

22 (84.6%)

≥58

0 (0%)

9 (100%)

Sex

Male

11(10.2%)

97(89.8%)

1.8

0.179

Female

28(15.8%)

149(84.2%)

Occupation

Health care worker

17 (28.8%)

42 (71.2%)

14.418

<0.001*

Non health care worker

22(9.7%)

204 (90.3%)

Presence of chronic disease

Yes

5 (12.5%)

35 (87.5%)

0.055

0.814

No

34 (13.9%)

211 (86.1%)

Type of the chronic disease

DM

3 (18.8%)

13 (81.3%)

5.164

0.396

HTN

2 (22.2%)

7 (77.8%)

asthma

0 (0%)

8 (100%)

arthritis

0 (0%)

5 (100%)

lupus erythematosus

0 (0%)

1 (100%)

Behcet disease

0 (0%)

1 (100%)

Vaccine type

Viral vector vaccines

16 (16.7%)

80 (83.3%)

5.872

0.024*

Inactivated vaccines

21(15.7%)

113 (84.3%)

mRNA vaccines

2 (3.6%)

53 (96.4%)

Number of doses of vaccine received

One dose

3 (10.7%)

25 (89.3%)

0.397

0.82

Two doses

35 (14.2%)

212 (85.8%)

Three doses

1 (10%)

9 (90%)