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. 2021 Oct 13;21:1851. doi: 10.1186/s12889-021-11880-9

Table 2.

Distribution of each knowledge item and sex difference

Variables Total Male Female χ2 df p-value
n (%) n (%) n (%)
Do you know about the COVID-19 vaccine?
 Yes 1492 (90.0) 830 (90.0) 662 (89.9) 1.97 2 .373
 No 93 (5.6) 56 (6.1) 37 (5.0)
 Don’t know 73 (4.4) 36 (3.9) 37 (5.0)
Do you know about the effectiveness of COVID-19 vaccine?
 Yes 901 (54.3) 513 (55.6) 388 (52.7) 2.46 2 .292
 No 324 (19.5) 182 (19.7) 142 (19.3)
 Don’t know 433 (26.1) 227 (24.6) 206 (28.0)
Is it dangerous to use overdose vaccines?
 Yes 1048 (63.2) 570 (61.8) 478 (64.9) 4.18 2 .124
 No 45 (2.7) 31 (3.4) 14 (1.9)
 Don’t know 565 (34.1) 321 (34.8) 244 (33.2)
Does vaccination increase allergic reactions?
 Yes 656 (39.6) 384 (41.6) 272 (37.0) 5.88 2 .053
 No 78 (4.7) 48 (5.2) 30 (4.1)
 Don’t know 924 (55.7) 490 (53.1) 434 (59.0)
Does vaccination increase autoimmune diseases?
 Yes 588 (35.5) 361 (39.2) 227 (30.8) 14.15 2 .001
 No 95 (5.7) 56 (6.1) 39 (5.3)
 Don’t know 975 (58.8) 505 (54.8) 470 (63.9)

Note: Bold indicates significant