Table 2:

Vaccine Attitudes Factor Structure and Cronbach’s alpha from Combined Sample

Factor	Vaccine Attitudes Items	Cronbach’s alpha
Vaccine Safety	I believe there has not been enough research on the safety of vaccines. I believe that my child’s immune system could be weakened by too many vaccines. Vaccines are safe. I am concerned that the ingredients in vaccines are unsafe I am concerned that vaccines have serious side effects. I am concerned that some vaccines cause autism in healthy children. I want to know more about the potential downsides of vaccinating my child.	0.89
Vaccine Benefit	Getting vaccines is a good way to protect my child from infectious diseases. Many of the illnesses vaccines prevent are serious My child does not need vaccines for diseases that are not common anymore like polio. The reasons to vaccinate outweigh the reasons not to vaccinate my child. My child could get a serious disease if he or she were not vaccinated. I believe that vaccines strengthen the immune system.	0.84