Table 2 Attitudes about vaccines among TeenVaxScene users

General attitudes, n = 65

 I think vaccines may cause short-term problems (example: fever or pain)

 I think vaccines may cause serious long term health problems for [child’s name]

 Many of my friends are not getting their children vaccinated

 Having [child’s name]’s doctor recommend a vaccine is one of the most important factors in deciding to get [him/her] vaccinated

 I worry that vaccines may cause more health problems for [child’s name] than benefit

HPV vaccine, n = 42

 I worry that [child’s name] may be at risk for genital warts, [(female): cervical cancer or other cancers related to HPV]

OR

[(male): cancers related to HPV, or may transmit the infection to others]

 I worry that the HPV vaccine will give [child’s name] the HPV virus

 I worry that [child’s name] will have reproductive problems if he/she gets the HPV vaccine

 I worry that the HPV vaccine will cause immune problems for [child’s name]

 I worry that if [[child’s name] got the HPV vaccine, then [he/she] would get neurologic problems] or [his/her neurologic problems would worsen]

 I don’t think [my son] would get much benefit from getting the HPV vaccine^a

 I think that giving the HPV vaccine to [child’s name] may make [him or her] think it is OK to have sex^b

 I think [child’s name] is too young to get a vaccine for a sexually transmitted infection like HPV^b

 I am concerned that the HPV vaccine costs more than I can pay^b

 The HPV vaccine is so new that I want to wait a while before deciding if [child’s name] should get it^c

 I need more information about the HPV vaccine before deciding whether or not to give [child’s name] the vaccine^c

 Many of my friends are against giving the HPV vaccine to adolescents^c

 I would regret it if [child’s name] did not get the vaccine and later got a health problem related to HPV^c

Tdap vaccine, n = 14

 I worry that [child’s name] may get tetanus 1 day

 I worry that [child’s name] may be exposed to pertussis (whooping cough)

 I worry that the Tdap vaccine is not safe for [child’s name]

 I think that giving [child’s name] the Tdap vaccine is more harmful to [him/her] than not giving it

 I would have [child’s name] get the Tdap vaccine because it is required by [his/her] school

Meningococcal vaccine, n = 22

 I worry that [child’s name] may be at risk for getting meningitis

 I worry that the meningococcal vaccine is not safe for [child’s name]

 I think that giving [child’s name] the meningococcal vaccine is more harmful to [him/her] than not giving it

 I would have [child’s name] get the meningococcal vaccine because it is required by [his/her] school

 I worry that if [child’s name] got the meningococcal vaccine, then [[he/she] would get neurologic problems] or [his/her neurologic problems would worsen]

Flu vaccine, n = 18

 I worry that [child’s name] may be at risk for getting the flu

 I think the flu vaccine can cause [child’s name] to get the flu

 I worry that if [child’s name]got the flu vaccine [he/she would get neurologic problems or his/her neurologic problems would worsen]

 I don’t think the flu vaccine is safe

 It is a hassle to get this vaccine every year

 I think it is better for [child’s name] to have the flu than get the flu vaccine