Table III. Exploratory analysis: Association between health beliefs and receipt of influenza vaccination.

Questions (abbreviated)	Univariate Odds ratio (CI) per one point increase	P	Multivariate Analysis* Odds Ratio (CI) per one point increase	P
1 = Disagree strongly, 5 = Agree strongly
If I have the flu, I may not be able to perform my daily activities.	1.29 (0.88-1.87)	0.11
If I have the flu, it could lead to serious health problems for ME.	1.51 (0.19-2.51)	0.021
I have the flu, it could lead to serious health problems for MY BABY	1.70 (1.08-2.66)	0.032
Getting a flu shot while I am pregnant could HARM ME.	1.70 (1.05-2.75)	0.005
Getting a flu shot while I am pregnant could HARM MY BABY.	0.43(.024-.077)	0.008
Getting a flu shot while I am pregnant can PROTECT ME against getting the flu	3.25 (1.62-6.54)	0.003	2.19 (1.08-4.44)	0.030
Getting a flu shot while I am pregnant can PROTECT MY BABY against getting the flu	2.42 (1.62-6.54)	0.001	2.04 (1.14-3.66)	0.016
I think it's IMPORTANT for my family members to get the flu shot.	2.01 (1.32-3.04)	0.001
I intend to ASK my family members to get the flu shot.	1.90 (1.31-2.76)
1 = Not at all, 5 = quite a lot
Imagine that you did not get a flu shot and are hospitalized for pregnancy complications from getting the flu. How much would you regret not getting a flu shot?	2.45 (1.39-4.33)	0.04
Imagine that you did not get a flu shot and YOUR NEWBORN is hospitalized for problems from getting the flu. How much would you regret not getting a flu shot?	6.24 (1.09-35.75)	0.002

The multivariate analysis selects health belief questions using the stepwise selection procedure and retains questions with a p-value smaller than 0.05