Table 4.
Influenza vaccination coverage of 1412 HCWs in Chongqing during the 2018/2019 influenza season
| Variable | Total (%) | Vaccinated | Unvaccinated | Crude OR (95% CI) | p-value | Adjusted OR (95%CI) | p-value |
|---|---|---|---|---|---|---|---|
| Type of hospital a | 0.009 | .020 | |||||
| Non-sentinel hospital | 806(57.08) | 117(14.52) | 689(85.48) | Ref | Ref | ||
| Sentinel hospital | 606(42.92) | 120(19.80) | 486(80.20) | 1.454(1.099–1.924) | 1.427(1.057–1.925) | ||
| Sex | 0.121 | - | |||||
| Males | 310(21.95) | 43(13.87) | 267(86.13) | Ref | - | ||
| Females | 1102(78.05) | 194(17.60) | 908(82.40) | 1.327(0.928–1.897) | - | ||
| Age | 0.099 | - | |||||
| ≤30 | 737(52.20) | 108(14.65) | 629(85.35) | Ref | - | ||
| 31 ~ 40 | 466(33.00) | 88(18.88) | 378(81.12) | 1.356(0.995–1.847) | - | ||
| 41 ~ 50 | 161(11.40) | 29(18.01) | 132(81.99) | 1.280(0.815–2.008) | - | ||
| 51~ | 48(3.40) | 12(25.00) | 36(75.00) | 1.941(0.979–3.849) | - | ||
| Educational attainment | 0.656 | - | |||||
| College degree and below | 310(21.95) | 47(15.16) | 263(84.84) | Ref | - | ||
| Bachelor degree | 908(64.31) | 158(17.40) | 750(82.60) | 1.179(0.827–1.681) | - | ||
| Postgraduate and above | 194(13.74) | 32(16.49) | 162(83.51) | 1.105(0.677–1.804) | - | ||
| Marital status | 0.587 | - | |||||
| Unmarried | 372(26.35) | 170(17.03) | 828(82.97) | Ref | - | ||
| Married | 998(70.68) | 58(15.59) | 314(84.41) | 1.112(0.803–1.539) | - | ||
| Divorced, widowed and separated | 42(2.97) | 9(21.43) | 33(78.57) | 1.476(0.671–3.248) | - | ||
| Working department b | <0.001 | <.001 | |||||
| Low-risk department | 789(55.88) | 95(12.04) | 694(87.96) | Ref | Ref | ||
| High-risk department | 623(44.12) | 142(22.79) | 481(77.21) | 2.157(1.622–2.867) | 1.919(1.423–2.589) | ||
| Profession | 0.022 | - | |||||
| Physicians | 457(32.37) | 79(17.29) | 378(82.71) | Ref | - | ||
| Nurses | 741(52.48) | 136(18.35) | 605(81.65) | 1.076(0.792–1.460) | - | ||
| Others c | 214(15.16) | 22(10.28) | 192(89.72) | 0.548(0.331–0.907) | - | ||
| Years in profession | 0.010 | - | |||||
| ≤5 | 536(37.96) | 68(12.69) | 468(87.31) | Ref | - | ||
| 6 ~ 10 | 441(31.23) | 80(18.14) | 361(81.86) | 1.525(1.073–2.167) | - | ||
| 11 ~ 15 | 202(14.31) | 43(21.29) | 159(78.71) | 1.861(1.220–2.839) | - | ||
| ≥16 | 233(16.50) | 46(19.74) | 187(80.26) | 1.693(1.123–2.553) | - | ||
| Job title | 0.235 | - | |||||
| Junior | 891(63.10) | 138(15.49) | 753(84.51) | Ref | - | ||
| Middle | 394(27.90) | 75(19.04) | 319(80.96) | 1.283(0.941–1.749) | - | ||
| Senior | 127(8.99) | 24(18.90) | 103(81.10) | 1.271(0.787–2.054) | - | ||
| Did you take the initiative to learn influenza information? | <0.001 | <.001 | |||||
| No | 441(31.23) | 30(6.80) | 411(93.20) | Ref | Ref | ||
| Yes | 971(68.77) | 207(21.32) | 764(78.68) | 3.712(2.485–5.544) | 3.000(1.983–4.538) | ||
| Knowledge | 0.004 | - | |||||
| Poor | 700(49.58) | 97(13.86) | 603(86.14) | Ref | - | ||
| Good d | 712(50.42) | 140(19.66) | 572(80.34) | 1.522(1.146–2.019) | - | ||
| Attitude | <0.001 | <.001 | |||||
| Negative | 527(37.32) | 45(8.54) | 482(91.46) | Ref | Ref | ||
| Positive e | 885(62.68) | 192(21.69) | 693(78.31) | 2.968(2.102–4.189) | 2.429(1.697–3.477) |
aThe hospitals in this study were classified into two types: hospitals that participate in the National Influenza Surveillance System were categorized as “sentinel hospital,” while the others were categorized as “non-sentinel hospital.”
bThe working department of HCWs includes “High-risk department” and “Low-risk department.” The former includes respiratory disease, infectious disease, pediatrics, gynecology and obstetrics and emergency, and the latter includes general surgery, obstetrics and gynecology, laboratory and radiology according to our definition in the method part.
cOthers: those HCWs without patient contact include laboratory and radiology technicians and administrative support staff.
dGood knowledge: Participants who scored 15 and above in the knowledge section of our questionnaire were categorized as with good knowledge.
ePositive attitude: Participants who scored 26 and above in the attitude section of our questionnaire were categorized as with a positive attitude.