Table 2 Univariate analysis: behavioral determinants associated with influenza vaccine uptake among health professionals

 I have high risk for influenza

53/56 (94.6 %)

409/568 (72 %)

6.87 (2.12–22.30)

0.001

 I can spread infection to my patients even if I am asymptomatic

46/56 (82.1 %)

352/566 (62.2 %)

2.80 (1.38–5.66)

0.004

 Health professionals are under the highest risk in case of an epidemic

54/56 (96.4 %)

512/567 (90.3 %)

2.90 (0.69–12.22)

0.147

 I can spread infection to my family even if I am asymptomatic

39/56 (69.6 %)

325/564 (57.6 %)

1.69 (0.93–3.05)

0.084

 Influenza is dangerous for me

46/57 (80.7 %)

388/561 (69.2 %)

1.86 (0.94–3.69)

0.073

 Influenza is dangerous for my patients

50/56 (89.3 %)

501/559 (89.6 %)

0.96 (0.40–2.35)

0.937

 Influenza is dangerous for my family

52/57 (91.2 %)

478/564 (84.8 %)

1.87 (0.73–4.82)

0.194

 Vaccination reduces my personal risk

56/57 (98.2 %)

367/565 (65 %)

30.21 (4.15–219.90)

0.001

 Vaccination reduces the risk of spreading the disease to my patients

53/55 (96.4 %)

373/561 (66.5 %)

13.36 (3.22–55.40)

<0.001

 Vaccination reduces the risk of spreading the disease to my family

53/56 (94.6 %)

372/568 (65.5 %)

9.31 (2.87–30.17)

<0.001

 Community vaccination reduces my workload during an epidemic

52/55 (94.5 %)

382/562 (68.0 %)

8.17 (2.52–26.51)

<0.001

 I don’t expect a side effect after vaccination

29/56 (51.8 %)

183/563 (32.5 %)

2.23 (1.28–3.88)

0.004

 The inactive influenza vaccine currently available in our country is effective

46/56 (82.1 %)

204/557 (36.6 %)

7.96 (3.93–16.11)

<0.001

 Allergic reaction against influenza vaccine is rare, or none

42/57 (73.7 %)

190/561 (33.9 %)

5.47 (2.96–10.11)

<0.001

 Autoimmune disease development risk is rare, or none, after influenza vaccine

40/57 (70.2 %)

189/566 (33.4 %)

4.69 (2.59–8.50)

<0.001

 I am not against vaccination

51/56 (91.1 %)

433/562 (77.0 %)

3.04 (1.19–7.77)

0.020

 Need for vaccination every year negatively effects my regular vaccination

30/54 (55.6 %)

237/549 (43.2 %)

1.65 (0.94–2.89)

0.083

 One can catch influenza even if vaccinated

49/55 (89.1 %)

451/557 (81.0 %)

1.92 (0.80–4.60)

0.144

 I had side effects from my previous influenza vaccinations

21/57 (36.8 %)

133/553 (24.1 %)

1.84 (1.04–3.27)

0.036

 The influenza vaccine itself does not cause influenza

26/56 (46.4 %)

215/557 (38.6 %)

1.38 (0.79–2.39)

0.254

 Health professionals should be vaccinated even if patients have been vaccinated

50/56 (89.3 %)

327/562 (58.2 %)

5.99 (2.53–14.20)

<0.001

 I find injection every year uncomfortable

27/55 (49.1 %)

285/563 (50.6 %)

0.94 (0.54–1.64)

0.828

 Vaccination does not reduce the overall immunization

39/56 (69.6 %)

330/564 (58.5 %)

1.63 (0.90–2.95)

0.108

 I believe the vaccines are useful

52/55 (94.5 %)

432/562 (76.9 %)

5.22 (1.60–16.98)

0.006

 I believe in alternative medicine

40/56 (71.4 %)

396/561 (70.6 %)

1.04 (0.57–1.91)

0.895

 I believe that natural methods are better than vaccination

23/55 (41.8 %)

379/562 (67.4 %)

0.35 (0.20–0.61)

<0.001

 I am against vaccination due to my beliefs

6/54 (11.1 %)

111/563 (19.7 %)

0.51 (0.21–1.22)

0.130

 I know the Ministry of Health recommendations about influenza vaccination

45/55 (81.8 %)

359/561 (64.0 %)

2.53 (1.25–5.13)

0.010

 I know the Ministry of Health recommendations about the age groups and chronic diseases which require influenza vaccination

44/55 (80.0 %)

318/564 (56.4 %)

3.09 (1.57–6.12)

0.001

 I have sufficient knowledge about influenza

47/55 (85.5 %)

408/561 (72.7 %)

2.2 (1.02–4.77)

0.045

 I get knowledge about influenza from reliable sources every year

43/56 (76.8 %)

310/561 (55.3 %)

2.68 (1.41–5.09)

0.003

 The Ministry of Health provides free vaccination for health professionals

41/55 (74.5 %)

310/561 (55.3 %)

2.37 (1.26–4.45)

0.007

 I feel that health professionals’ not spreading the disease to their patients important

53/57 (93.0 %)

480/562 (85.4 %)

2.26 (0.80–6.42)

0.125

 I believe that health professionals should be vaccinated for the continuity of health services

51/56 (91.1 %)

363/557 (65.2 %)

5.45 (2.14–13.88)

<0.001

 Right of choice for vaccination should be preserved for health professionals

43/57 (75.4 %)

480/557 (86.2 %)

0.49 (0.26–0.94)

0.033

 Influenza vaccine should be mandatory for health professionals

36/56 (64.3 %)

193/557 (34.6 %)

3.39 (1.91–6.03)

<0.001

 My relatives believe that my vaccination is important

48/57 (84.2 %)

252/560 (45 %)

6.52 (3.14–13.54)

<0.001

 My institute recommends my vaccination

46/57 (80.7 %)

284/560 (50.7 %)

4.06 (2.06–8.01)

<0.001

 My colleagues believe that my vaccination is important

47/56 (83.9 %)

250/558 (44.8 %)

6.43 (3.09–13.38)

<0.001

 The Ministry of Health recommends vaccination of health professionals

44/55 (80.0 %)

325/554 (58.7 %)

2.82 (1.43–5.57)

0.003

 The health authorities I respect recommend vaccination

46/55 (83.6 %)

292/553 (52.8 %)

4.57 (2.19–9.51)

<0.001

 I would be vaccinated every year if I have enough time

48/53 (90.6 %)

194/373 (52.0 %)

8.86 (3.45–22.75)

<0.001

 I would be vaccinated if someone reminds me

49/57 (86.0 %)

194/555 (35.0 %)

11.4 (5.29–24.55)

<0.001

 I would be vaccinated every year if the vaccine is provided in my institute

50/55 (90.9 %)

208/557 (37.3 %)

16.78 (6.59–42.75)

<0.001

 I would be vaccinated every year if I am rewarded

29/56 (51.8 %)

144/558 (25.8 %)

3.09 (1.77–5.39)

<0.001

 I would be vaccinated every year if sufficient knowledge was given

47/56 (83.9 %)

253/555 (45.6 %)

6.23 (3.00–12.97)

<0.001