Table 2 Relation between knowledge level and different study variables

Age (years) mean ± SD

46.0 ± 13.5

40.3 ± 15.2

45.2 ± 13.9

0.001^c

Sex

0.197

 Male

188 (43.0)

36 (51.4)

224 (44.2)

 Female

249 (57.0)

34 (48.6)

283 (55.8)

Lodging type

0.121

 Rented

137 (31.4)

15 (21.4)

152 (30.0)

 Owned

300 (68.6)

55 (78.6)

355 (70.0)

Marital status

0.143

 Married

166 (38.0)

20 (28.6)

186 (36.7)

 Unmarried^a

271 (62.0)

50 (71.4)

321 (63.3)

Educational level

0.004^c

 Pre-university

52 (11.9)

18 (25.7)

70 (13.8)

 University/graduate

385 (88.1)

52 (74.3)

437 (86.2)

Occupation

< 0.001^c

 Student

197 (45.1)

23 (32.9)

220 (43.4)

 Governmental

156 (35.7)

14 (20.0)

170 (33.5)

 Private

20 (4.6)

14 (20.0)

34 (6.7)

 Not working^b

64 (14.6)

19 (27.1)

83 (16.4)

Family income/month (SAR)

0.006^c

 < 5000

120 (27.5)

29 (41.4)

149 (29.4)

 5000–10,000

65 (14.9)

15 (21.4)

80 (15.8)

 > 10,000

252 (57.7)

26 (37.1)

278 (54.8)

Previous influenza vaccination

163 (37.3)

16 (22.9)

179 (35.3)

0.022^c

Having chronic disorder

52 (11.9)

11 (15.7)

63 (12.4)

0.434

Hypersensitivity

43 (9.8)

8 (11.4)

51 (10.1)

0.670

History of COVID-19 infection

171 (39.1)

15 (21.4)

186 (36.7)

0.005^c

Intent to receive COVID-19 vaccine

321 (73.5)

40 (57.1)

361 (71.2)

0.007^c

Vaccine effectiveness

261 (59.7)

25 (35.7)

286 (56.4)

< 0.001^c