Table 1 Respondent characteristics and influenza vaccination status, n (%)
Characteristics | Total | Influenza vaccination during the 2020/2021 influenza season | Influenza vaccination during the 2021/2022 influenza season | ||
|---|---|---|---|---|---|
Yes | No | Yes | No | ||
Total | 1697 | 741(43.7) | 956(56.3) | 600(35.4) | 1097(64.6) |
Demographics of HCWs | |||||
Age, years | P = 0.005 | P = 0.04 | |||
< 25 | 105 | 45 (42.9) | 60 (57.1) | 42 (40.0) | 63 (60.0) |
25–34 | 553 | 206 (37.3) | 347 (62.7) | 167 (30.2) | 386 (69.8) |
35–44 | 683 | 311 (45.5) | 372 (54.5) | 248 (36.3) | 435 (63.7) |
45–54 | 287 | 145 (50.5) | 142 (49.5) | 117 (40.8) | 170 (59.2) |
55–59 | 52 | 26 (50.0) | 26 (50.0) | 20 (38.5) | 32 (61.5) |
≥ 60 | 17 | 8 (47.1) | 9 (52.9) | 6 (35.3) | 11 (64.7) |
Degree | P = 0.69 | P = 0.64 | |||
≤ Technical secondary school | 30 | 15 (50.0) | 15 (50.0) | 13 (43.3) | 17 (56.7) |
Bachelor & Junior college student | 1267 | 556 (43.9) | 711 (56.1) | 448 (35.4) | 819 (64.6) |
Postgraduate | 400 | 170 (42.5) | 230 (57.5) | 139 (34.8) | 261 (65.3) |
PLAD by GDP per capitaa | P < 0.0001 | P < 0.0001 | |||
Low GDP | 1146 | 468 (40.8) | 678 (59.2) | 369 (32.2) | 777 (67.8) |
Middle GDP | 318 | 140 (44.0) | 178 (56.0) | 111 (34.9) | 207 (65.1) |
High GDP | 233 | 133 (57.1) | 100 (42.9) | 120 (51.5) | 113 (48.5) |
Occupation | P < 0.0001 | P < 0.0001 | |||
Clinician | 1023 | 428 (41.8) | 595 (58.2) | 335 (32.7) | 688 (67.3) |
Nurse | 438 | 202 (46.1) | 236 (53.9) | 175 (40.0) | 263 (60.0) |
Medical technicianb | 104 | 56 (53.8) | 48 (46.2) | 48 (46.2) | 56 (53.8) |
Vaccination staff | 21 | 17 (81.0) | 4 (19.0) | 13 (61.9) | 8 (38.1) |
Others | 111 | 38 (34.2) | 73 (65.8) | 29 (26.1) | 82 (73.9) |
Years of working | P = 0.01 | P = 0.09 | |||
≤ 5 | 300 | 115 (38.3) | 185 (61.7) | 101 (33.7) | 199 (66.3) |
5–9 | 325 | 126 (38.8) | 199 (61.2) | 99 (30.5) | 226 (69.5) |
10–19 | 618 | 277 (44.8) | 341 (55.2) | 219 (35.4) | 399 (64.6) |
20–29 | 319 | 155 (48.6) | 164 (51.4) | 125 (39.2) | 194 (60.8) |
≥ 30 | 135 | 68 (50.4) | 67 (49.6) | 56 (41.5) | 79 (58.5) |
Hospital categoryc | P = 0.054 | P = 0.26 | |||
Primary hospitals | 187 | 79 (42.2) | 108 (57.8) | 57 (30.5) | 130 (69.5) |
Secondary hospitals | 392 | 192 (49.0) | 200 (51.0) | 147 (37.5) | 245 (62.5) |
Tertiary hospitals | 1118 | 470 (42.0) | 648 (58.0) | 396 (35.4) | 722 (64.6) |
Department | P = 0.93 | P = 0.99 | |||
High risk departments | 1095 | 479 (43.7) | 616 (56.3) | 387 (35.3) | 708 (64.7) |
Other departments | 602 | 262 (43.5) | 340 (56.5) | 213 (35.4) | 389 (64.6) |
Professional title | P = 0.03 | P = 0.18 | |||
Above intermediate | 450 | 186 (41.3) | 264 (58.7) | 155 (34.4) | 295 (65.6) |
Intermediate | 612 | 270 (44.1) | 342 (55.9) | 218 (35.6) | 394 (64.4) |
Below intermediate | 536 | 253 (47.2) | 283 (52.8) | 201 (37.5) | 335 (62.5) |
Unclassified/unknown | 99 | 32 (32.3) | 67 (67.7) | 26 (26.3) | 73 (73.7) |
Whether the Hospital has set up a routine vaccination clinic | P < 0.0001 | P < 0.0001 | |||
Yes | 1279 | 611 (47.8) | 668 (52.2) | 496 (38.8) | 783 (61.2) |
No | 418 | 130 (31.1) | 288 (68.9) | 104 (24.9) | 314 (75.1) |
Whether daily work involve in vaccination work | P < 0.0001 | P < 0.0001 | |||
Yes | 637 | 331 (52.0) | 306 (48.0) | 285 (44.7) | 352 (55.3) |
No | 1060 | 410 (38.7) | 650 (61.3) | 315 (29.7) | 745 (70.3) |
Workplace vaccination policies | |||||
Workplace’s policy | P < 0.0001 | P < 0.0001 | |||
Requirementd | 188 | 139 (73.9) | 49 (26.1) | 124 (66.0) | 64 (34.0) |
Promotion | 955 | 515 (53.9) | 440 (46.1) | 433 (45.3) | 522 (54.7) |
None | 428 | 80 (18.7) | 348 (81.3) | 42 (9.8) | 386 (90.2) |
Not clear | 126 | 7 (5.6) | 119 (94.4) | 1 (0.8) | 125 (99.2) |
Free vaccination | P < 0.0001 | P < 0.0001 | |||
For all staff | 518 | 385 (74.3) | 133 (25.7) | 358 (69.1) | 160 (30.9) |
For high-risk department | 258 | 158 (61.2) | 100 (38.8) | 124 (48.1) | 134 (51.9) |
Have not free vaccination policy | 740 | 161 (21.8) | 579 (78.2) | 100 (13.5) | 640 (86.5) |
Not clear | 181 | 37 (20.4) | 144 (79.6) | 18 (9.9) | 163 (90.1) |
HCWs’ knowledge about vaccination and willingness to get vaccinated | |||||
Whether taken the initiative to learn about vaccines and health related knowledge | P < 0.0001 | P < 0.0001 | |||
Yes | 1421 | 658 (46.3) | 763 (53.7) | 541 (38.1) | 880 (61.9) |
No | 276 | 83 (30.1) | 193 (69.9) | 59 (21.4) | 217 (78.6) |
Frequency of learning vaccines and health-related knowledge | P < 0.0001 | P < 0.0001 | |||
Once a day | 84 | 65 (77.4) | 19 (22.6) | 54 (64.3) | 30 (35.7) |
Once a week | 398 | 207 (52.0) | 191 (48.0) | 177 (44.5) | 221 (55.5) |
Once a month | 526 | 226 (43.0) | 300 (57.0) | 184 (35.0) | 342 (65.0) |
Once half of a year | 285 | 114 (40.0) | 171 (60.0) | 91 (31.9) | 194 (68.1) |
Once a year | 128 | 46 (35.9) | 82 (64.1) | 35 (27.3) | 93 (72.7) |
None | 276 | 83 (30.1) | 193 (69.9) | 59 (21.4) | 217 (78.6) |
Frequency of recommending respiratory infectious diseases’ vaccine to suitable populations | P < 0.0001 | P < 0.0001 | |||
Frequently | 899 | 491 (54.6) | 408 (45.4) | 402 (44.7) | 497 (55.3) |
Occasionally | 685 | 234 (34.2) | 451 (65.8) | 188 (27.4) | 497 (72.6) |
Never | 113 | 16 (14.2) | 97 (85.8) | 10 (8.8) | 103 (91.2) |
Whether support all HCWs to uptake influenza vaccine | P < 0.0001 | P < 0.0001 | |||
Yes | 1510 | 719 (47.6) | 791 (52.4) | 585 (38.7) | 925 (61.3) |
No | 187 | 22 (11.8) | 165 (88.2) | 15 (8.0) | 172 (92.0) |
Whether uptake influenza vaccine if the vaccination is free | P < 0.0001 | P < 0.0001 | |||
Yes | 1479 | 712 (48.1) | 767 (51.9) | 585 (39.6) | 894 (60.4) |
No | 77 | 8 (10.4) | 69 (89.6) | 7 (9.1) | 70 (90.9) |
Not clear | 141 | 21 (14.9) | 120 (85.1) | 8 (5.7) | 133 (94.3) |