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. 2023 May 9;11:1149125. doi: 10.3389/fped.2023.1149125

Table 4.

Parameter estimates for logistic regression model estimating predictors of caregivers’ COVID-19 vaccine acceptance for children in the family.

Dependent variable
(COVID-19 vaccine acceptance for children)a 		Independent variables (Predictors of COVID-19 vaccine acceptance) Categories B Standard error Wald df p-value Exp (B) 95% CI for Exp (B) (Lower bound) 95% CI for Exp (B) (Upper bound)
Negative response Intercept −21.378 583.099 0.001 1 0.971
Post-COVID vaccination side effects (0–10 scale) 0 −1.157 0.981 1.389 1 0.239 0.315 0.046 2.153
1 −1.343 1.195 1.264 1 0.261 0.261 0.025 2.714
2 −0.813 1.065 0.582 1 0.445 0.444 0.055 3.578
3 −0.516 1.028 0.252 1 0.616 0.597 0.08 4.477
4 −1.702 1.058 2.584 1 0.108 0.182 0.023 1.452
5 −0.834 1.059 0.62 1 0.431 0.434 0.055 3.459
6 −1.436 1.143 1.579 1 0.209 0.238 0.025 2.234
7 0.208 1.08 0.037 1 0.847 1.231 0.148 10.234
8 0.827 1.12 0.545 1 0.46 2.287 0.254 20.561
9 −0.713 1.319 0.292 1 0.589 0.49 0.037 6.501
10 0b 0
Age Level 1 −2.053 1.659 1.531 1 0.216 0.128 0.005 3.317
Level 2 0.317 0.633 0.251 1 0.616 1.373 0.397 4.749
Level 3 0.213 0.632 0.113 1 0.736 1.237 0.359 4.269
Level 4 1.028 0.728 1.993 1 0.158 2.794 0.671 11.641
Level 5 0b 0
Level of education Level 1 1.216 0.733 2.749 1 0.097 3.372 0.801 14.187
Level 2 0.717 0.434 2.735 1 0.098 2.049 0.876 4.792
Level 3 0.248 0.427 0.337 1 0.562 1.281 0.555 2.958
Level 4 0.216 0.427 0.255 1 0.614 1.241 0.537 2.865
Level 5 0b 0
Financial status Level 1 14.686 583.082 0.001 1 0.98 23,88,892.92 0 .c
Level 2 14.712 583.082 0.001 1 0.98 24,49,837.62 0 .c
Level 3 14.443 583.082 0.001 1 0.98 18,72,577.74 0 .c
Level 4 0b 0
Race African-American 2.785 1.777 2.456 1 0.117 16.198 0.497 527.479
Hispanic/Latino 2.792 1.814 2.369 1 0.124 16.311 0.466 570.735
White 2.563 1.717 2.229 1 0.135 12.976 0.448 375.486
Asian −11.222 876.811 0 1 0.99 1.34×10−05 0 .c
Asian Indian −11.629 750.021 0 1 0.988 8.90×10−06 0 .c
Belongs to ≥2 races 3.169 1.784 3.155 1 0.076 23.789 0.721 785.324
Middle Eastern 2.256 2.113 1.14 1 0.286 9.54 0.152 599.554
Others 0b 0
Healthcare worker No −0.468 0.288 2.637 1 0.104 0.627 0.356 1.102
Yes 0b 0
HHS region Region 1 2.254 0.99 5.185 1 0.023 9.524 1.369 66.276
Region 2 0.918 0.859 1.141 1 0.285 2.504 0.465 13.488
Region 3 −0.036 0.853 0.002 1 0.966 0.965 0.181 5.138
Region 4 1.13 0.767 2.17 1 0.141 3.097 0.688 13.934
Region 5 0.909 0.772 1.386 1 0.239 2.483 0.546 11.279
Region 6 0.989 0.851 1.35 1 0.245 2.687 0.507 14.242
Region 7 0.655 0.996 0.433 1 0.511 1.926 0.273 13.558
Region 8 0.831 0.837 0.986 1 0.321 2.295 0.445 11.832
Region 9 0.814 0.85 0.918 1 0.338 2.257 0.427 11.939
Region 10 0b 0
Participant's COVID vaccination status No 3.867 0.453 72.773 1 <.001 47.804 19.661 116.233
Yes 0b 0
Child Influenza vaccinated No 1.039 0.29 12.848 1 <.001 2.826 1.601 4.988
Yes 0b 0
Pediatrician recommendation score 1 3.334 0.785 18.05 1 <.001 28.044 6.024 130.547
2 3.757 0.474 62.889 1 <.001 42.799 16.913 108.302
3 2.665 0.394 45.755 1 <.001 14.364 6.637 31.088
4 1.812 0.372 23.696 1 <.001 6.12 2.951 12.691
5 0b 0
Gender Male 0.563 4.064 0.019 1 0.89 1.756 0.001 5,061.272
Female 0.081 4.057 0 1 0.984 1.084 0 3,080.361
Other 0b 0
Mixed response Intercept −32.925 1,560.633 0 1 0.983
Participants post-vaccination side effects 0 13.978 1,560.63 0 1 0.993 11,75,936.267 0 .c
1 0.076 1,660.212 0 1 1 1.078 0 .c
2 14.091 1,560.631 0 1 0.993 13,17,390.073 0 .c
3 14.382 1,560.63 0 1 0.993 17,62,419.862 0 .c
4 14.643 1,560.63 0 1 0.993 22,86,893.28 0 .c
5 12.627 1,560.63 0 1 0.994 304,623.687 0 .c
6 13.03 1,560.631 0 1 0.993 455,928.854 0 .c
7 13.949 1,560.63 0 1 0.993 11,43,337.767 0 .c
8 0.776 1,743.265 0 1 1 2.172 0 .c
9 −0.269 1,998.32 0 1 1 0.764 0 .c
10 0b 0
Age Level 1 −0.124 1.793 0.005 1 0.945 0.884 0.026 29.67
Level 2 −1.002 0.8 1.568 1 0.211 0.367 0.076 1.762
Level 3 −1.377 0.841 2.682 1 0.101 0.252 0.049 1.311
Level 4 1.064 0.909 1.37 1 0.242 2.898 0.488 17.217
Level 5 0b 0
Level of education Level 1 1.044 1.199 0.758 1 0.384 2.84 0.271 29.785
Level 2 0.414 0.782 0.28 1 0.596 1.513 0.327 7.014
Level 3 0.178 0.757 0.056 1 0.814 1.195 0.271 5.271
Level 4 0.307 0.769 0.159 1 0.69 1.359 0.301 6.133
Level 5 0b 0
Financial status Level 1 1.72 1.716 1.005 1 0.316 5.586 0.193 161.304
Level 2 1.109 1.65 0.452 1 0.502 3.031 0.119 76.919
Level 3 0.831 1.68 0.245 1 0.621 2.296 0.085 61.842
Level 4 0b 0
Race African-American 2.157 1.673 1.663 1 0.197 8.645 0.326 229.419
Hispanic/Latino 0.123 1.96 0.004 1 0.95 1.131 0.024 52.765
White 0.176 1.562 0.013 1 0.91 1.192 0.056 25.45
Asian 1.045 2.446 0.182 1 0.669 2.843 0.024 343.555
Asian Indian 0.835 2.235 0.14 1 0.709 2.305 0.029 184.271
Belongs to ≥2 races −12.853 786.714 0 1 0.987 2.62×10−06 0 .c
Middle Eastern 2.359 2.103 1.259 1 0.262 10.584 0.172 652.329
Others 0b 0
Healthcare worker No 1.338 0.666 4.031 1 0.045 3.81 1.032 14.058
Yes 0b 0
HHS region Region 1 2.992 1.355 4.875 1 0.027 19.92 1.399 283.568
Region 2 −0.114 1.439 0.006 1 0.937 0.892 0.053 14.985
Region 3 −0.439 1.389 0.1 1 0.752 0.645 0.042 9.815
Region 4 0.684 1.201 0.325 1 0.569 1.983 0.188 20.88
Region 5 0.159 1.237 0.017 1 0.898 1.173 0.104 13.256
Region 6 −0.214 1.43 0.022 1 0.881 0.808 0.049 13.314
Region 7 −12.771 767.535 0 1 0.987 2.84×10−06 0 .c
Region 8 1.979 1.255 2.486 1 0.115 7.233 0.618 84.603
Region 9 0.023 1.409 0 1 0.987 1.023 0.065 16.201
Region 10 0b 0
Participant's COVID vaccination status No 1.959 0.692 8.004 1 0.005 7.093 1.826 27.558
Yes 00b 0
Child Influenza vaccinated No 1.453 0.454 10.266 1 0.001 4.278 1.758 10.408
Yes 0b 0
Pediatrician recommendation score 1 2.451 1.11 4.88 1 0.027 11.601 1.318 102.079
2 2.799 0.7 16.001 1 <.001 16.427 4.168 64.735
3 1.677 0.602 7.75 1 0.005 5.348 1.643 17.415
4 1.302 0.554 5.523 1 0.019 3.678 1.241 10.895
5 0b 0
Gender Male 10.603 0.767 191.10 1 0 40,272.228 8,955.705 1,81,097.10
Female 12.107 0 1 1,81,046.803 1,81,046.803 1,81,046.80
Other 0b 0

Df, degree of freedom; CI, confidence interval.

a

The reference category: Positive response.

b

This parameter is set to zero because it is redundant.

c

Floating point overflow occurred while computing this statistic. Its value is therefore set to system missing.