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. 2021 Dec 11;9(12):1469. doi: 10.3390/vaccines9121469

Table 4.

(A) Factors associated with a negative and undecided intention to vaccinate in children < 12 years. (B) Factors associated with a negative and undecided intention to vaccinate in children ≥ 12 years.

(A)
Intention of Parents to Immunize Children
(Group Age: <12 Years)
No Undecided
Coef. p 95% CI Coef. p 95% CI
Parent completing the survey (Ref: Father)
   Mother 1.26 0.489 0.66–2.39 1.25 0.362 0.77–2.03
Respondent’s age 1.00 0.952 0.96–1.03 1.01 0.664 0.98–1.03
Area/region (Ref: Northern Italy)
   Central Italy 0.72 0.365 0.35–1.47 1.02 0.959 0.54–1.92
   Southern Italy 1.39 0.545 0.48–4.07 1.49 0.379 0.61–3.65
Respondent’s education (Ref: Primary or secondary school certificate)
   High school certificate 1.25 0.757 0.31–5.06 1.30 0.681 0.37–4.50
   University degree or more 1.16 0.827 0.30–4.48 1.12 0.852 0.34–3.71
Number of household members 0.90 0.634 0.58–1.39 1.10 0.580 0.78–1.57
Number of children (Ref: 1 child)
   2 1.24 0.489 0.67–2.28 1.30 0.359 0.77–2.06
   3 or more 1.09 0.886 0.34–3.55 0.95 0.908 0.38–2.38
Underlying disease in at least one household member (Ref: No)
   Yes 0.55 0.130 0.25–1.20 1.40 0.176 0.86–2.29
Respondent’s and/or other household member’s history of COVID-19 (Ref: No)
   Yes 1.33 0.331 0.75–2.37 0.88 0.617 0.53–1.45
Respondent’s COVID-19 vaccination (Ref: No)
   Yes 1.01 0.976 0.69–1.46 1.59 0.006 1.14–2.22
Respondent’s flu vaccination 2020/21 season (Ref: No)
   Yes 0.29 <0.001 0.18–0.45 0.57 0.001 0.41–0.79
Perceived risk of getting COVID-19 in children (Ref: No risk/lower/I do not know)
   Similar/higher 0.45 <0.001 0.29–0.69 0.65 0.012 0.46–0.91
Perceived risk of COVID-19 hospitalization in children (Ref: No risk/lower/I do not know)
   Similar/higher 0.14 <0.001 0.07–0.30 0.38 <0.001 0.24–0.60
Perceived risk of children affected by COVID-19 transmitting the virus compared to adults
(Ref: No risk/lower/I do not know)
   Similar/higher 0.47 0.015 0.30–0.86 1.43 0.239 0.79–2.60
Perceived effectiveness of COVID-19 vaccines (Ref: Lower than 70%)
   Higher than 70% 0.22 <0.001 0.14–0.34 0.45 <0.001 0.31–0.67
Vaccines do not cause major side effects (Ref: No)
   Yes 0.15 <0.001 0.06–0.35 0.33 <0.001 0.21–0.52
Vaccines are dangerous (Ref: No)
   Yes 60.96 <0.001 7.76–479.03 4.59 0.158 0.56–38.18
(B)
Intention of Parents to Immunize Children
(Group Age: ≥12 Years)
No Undecided
Coef. p 95% CI Coef. p 95% CI
Parent completing the survey (Ref: Father)
   Mother 0.33 0.016 0.13–0.81 0.66 0.286 0.30–1.42
Respondent’s age 0.91 0.025 0.84–0.99 0.95 0.114 0.89–1.01
Area/region (Ref: Northern Italy)
   Central Italy 0.59 0.378 0.18–1.91 4.60 0.024 1.22–17.37
   Southern Italy 0.90 0.926 0.09–9.06 2.86 0.388 0.26–31.06
Respondent’s education (Ref: Primary or secondary school certificate)
   High school certificate 2.25 0.433 0.30–17.18 3.03 0.189 0.58–15.87
   University degree or more 5.42 0.102 0.72–40.95 2.74 0.234 0.52–14.37
Number of household members 0.93 0.771 0.55–1.55 0.74 0.162 0.49–1.13
Number of children (Ref: 1 child)
   2 0.79 0.636 0.30–2.10 0.61 0.234 0.27–1.37
   3 or more 0.49 0.380 0.10–2.39 1.11 0.871 0.32–3.90
Underlying disease in at least one household member (Ref: No)
   Yes 1.00 0.996 0.37–2.75 0.63 0.235 0.29–1.35
Respondent’s and/or other household member’s history of COVID-19 (Ref: No)
   Yes 0.95 0.909 0.39–2.30 1.66 0.162 0.82–3.39
Respondent’s COVID-19 vaccination (Ref: No)
   Yes 0.78 0.448 0.41–1.48 2.00 0.012 1.17–3.43
Respondent’s flu vaccination 2020/21 season (Ref: No)
   Yes 0.51 0.124 0.22–1.20 0.78 0.428 0.43–1.43
Perceived risk of getting COVID-19 in children (Ref: No risk/lower/I do not know)
   Similar/higher 0.59 0.196 0.27–1.31 0.57 0.069 0.31–1.04
Perceived risk of COVID-19 hospitalization in children (Ref: No risk/lower/I do not know)
   Similar/higher 0.15 0.057 0.02–1.06 0.30 0.031 0.10–0.90
Perceived risk of children affected by COVID-19 transmitting the virus compared to adults
(Ref: No risk/lower/I do not know)
   Similar/higher 0.36 0.041 0.13–0.96 0.60 0.285 0.23–1.53
Perceived effectiveness of COVID-19 vaccines (Ref: Lower than 70%)
   Higher than 70% 0.12 <0.001 0.05–0.28 0.38 0.003 0.20–0.73
Vaccines do not cause major side effects (Ref: No)
   Yes 0.34 0.181 0.07–1.65 0.38 0.062 0.13–1.05
Vaccines are dangerous (Ref: No)
   Yes 45.10 <0.001 5.42–374.93 5.16 0.154 0.54–49.25