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Table 2 Multivariate analysis indicating associations between several variables and the outcomes regarding vaccination against varicella

From: Knowledge, attitudes, and behaviors of parents towards varicella and its vaccination

Variable OR SE 95% CI p
Model 1: Knowledge regarding the availability of the vaccine and the number of doses required
Log likelihood = -186.82, \( {\chi}^2 \) = 81.42 (8 df), p < 0.0001
Vaccination of the selected child 4.94 1.39 2.84–8.58 <0.001
Information on the vaccination from a health care provider 2.35 0.87 1.14–4.85 0.02
Educational level
College degree or higher 1a    
High school 0.59 0.17 0.33–1.06 0.077
No formal education/elementary school/middle school 0.41 0.18 0.17–0.99 0.047
Age 1.05 0.03 0.99–1.10 0.073
Number of children
One 1a    
Three or more 0.59 0.20 0.30–1.16 0.128
Knowledge about disease (etiology and transmission) 1.49 0.40 0.88–2.52 0.133
History of varicella among at least one child 0.71 0.20 0.41–1.24 0.237
Variable Coeff. SE t p
Model 2: Positive attitude towards the utility of varicella vaccination
F(6,380) = 59.20, R 2 = 0.48%, adjusted R 2 = 0.47%, \( p \) < 0.0001     
Perceived danger of the disease 0.43 0.05 8.54 <0.001
Vaccination of the selected child 3.45 0.27 12.55 <0.001
Educational level
College degree or higher 1a    
High school 0.49 0.27 1.80 0.073
No formal education/elementary/middle school 1.43 0.37 3.91 <0.001
Information on the vaccination from a health care provider 0.71 0.30 2.39 0.018
History of varicella among at least one child −0.50 0.26 −1.91 0.057
Variable OR SE 95% CI p
Model 3: Selected child’s vaccination uptake against varicella
Log likelihood = -149.72, \( {\chi}^2 \) = 215.36 (8 df), p < 0.0001
Perceived utility of varicella vaccination 1.66 0.10 1.48–1.86 <0.001
Knowledge about the varicella vaccination 4.70 1.59 2.42–9.12 <0.001
History of varicella among at least one child 0.40 0.12 0.23–0.72 0.002
Perceived danger of the disease 0.85 0.05 0.75–0.96 0.01
Marital status 0.54 0.19 0.27–1.07 0.078
Information on the vaccination from a health care provider 1.95 0.84 0.83–4.56 0.125
Age 0.97 0.02 0.92–1.01 0.180
Information on the disease from a health care provider 0.71 0.28 0.33–1.53 0.384
  1. aReference category