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. 2022 Sep 29;26(12):2385–2395. doi: 10.1007/s10995-022-03557-5

Table 3.

Multivariable analysis of maternal predictors of not receiving antepartum Tdap vaccination

Characteristic Adjusted ORa for not being vaccinated (95% CI) p-value*
Race/Ethnicity 0.0001
 White non-Hispanic
 Black non-Hispanic 1.74 (1.07–2.83)
 Asian non-Hispanic 0.85 (0.53–1.35)
 Hispanic 2.44 (1.54–3.88)
 All other non-Hispanic 0.80 (0.41–1.54)
Health insurance type 0.08
 Any private
 Public, no private 1.42 (0.96–2.12)
Did anyone at your OB/GYN office recommend you receive the Tdap vaccine DURING this most recent pregnancy? 0.0003
 No
 Yes 0.39 (0.23–0.65)
Did your OB/GYN offer to give you the vaccine in their office?  < 0.0001
 No
 Yes 0.24 (0.15–0.37)
Did you receive any written materials in your OB/GYN office describing the importance of the Tdap vaccine during your pregnancy?  < 0.0001
 No
 Yes 0.44 (0.30–0.64)
It is dangerous for pregnant women to get vaccines 0.045
 Disagree
 Agree 1.68 (1.01–2.77)
I generally do what my OB/GYN provider recommends 0.005
 Disagree
 Agree 0.49 (0.30–0.80)
Pregnant women should get the Tdap (pertussis) vaccine  < 0.0001
 Disagree
 Agree 0.17 (0.09–0.33)
I worry about the safety of the Tdap (pertussis) vaccine 0.009
 Disagree
 Agree 1.59 (1.12–2.24)

Dashed boxes are referent values

*p-value is based on Wald Chi-square test from logistic regression

aAdjusted odds ratio (OR) > 1 reflects elements associated with increased odds of not receiving antepartum Tdap, while OR < 1 demonstrates decreased odds of non-receipt (i.e., more likely to receive antepartum Tdap vaccine)