Table 2.
Factor Analysis Loadings and Reliability Results for all 28 Items
| Item | Communalities | Pattern Matrix Loadings |
Cronbach’s Alpha if Deleted |
|||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| Factor 1: Perceived Vulnerability | ||||||
| Q8: Human Papillomavirus (HPV) is a sexually transmitted disease. | .47 | .17 | .02 | .06 | .55 | .956 |
| Q9: Using condoms can prevent HPV. | .23 | .24 | .15 | .21 | .07 | .957 |
| Q10: Genital warts are caused by HPV. | .63 | .07 | .09 | .02 | .73 | .956 |
| Q11: People with HPV might not have symptoms. | .72 | .33 | −.02 | .32 | .43 | .954 |
| Q12: HPV makes you unable to have children. | .36 | .32 | .16 | .27 | .09 | .956 |
| Factor 2: Perceived Severity | ||||||
| Q13: I worry that my child may get HPV. | .51 | .41 | .17 | .03 | .32 | .955 |
| Q14: HPV can cause cervical cancer. | .84 | .61 | −.07 | .18 | .34 | .953 |
| Q15: Treatment for HPV is painful. | .29 | .37 | .02 | .15 | .14 | .957 |
| Q18: Required vaccinations protect children from getting disease from unvaccinated children. | .64 | .49 | −.10 | .31 | .23 | .955 |
| Q19: I understand exactly what the HPV vaccine is for. | .60 | .36 | −.15 | .16 | .44 | .955 |
| Q24: Having genital warts makes it very difficult to find a sexual partner. | .48 | .52 | .01 | .18 | .14 | .955 |
| Factor 3: Perceived Benefits | ||||||
| Q4: Children should only get vaccinated for serious diseases. | .33 | −.17 | −.06 | .54 | .19 | .960 |
| Q5: I am more likely to trust vaccinations that have been around awhile. | .73 | .45 | −.03 | .55 | .04 | .955 |
| Q6: Vaccinations are getting better all the time because of research. | .87 | .79 | −.08 | .11 | .18 | .953 |
| Q7: Healthy children do not need vaccinations. | .80 | −.09 | .90 | .04 | .01 | .958 |
| Q20: A vaccine against HPV could prevent future problems for my child. | .83 | .74 | −.13 | .18 | .17 | .954 |
| Q21: Giving my child a new vaccine is like performing an experiment on them. | .53 | .22 | .14 | .57 | .02 | .956 |
| Q22: Most people I know think vaccinating children with the HPV vaccine before they are teenagers is a good idea. | .70 | .95 | .03 | −.11 | −.19 | .955 |
| Q23: A teenager should be able to get a vaccination for HPV without a parent’s consent. | .59 | .09 | .59 | −.16 | .41 | .957 |
| Factor 4: Perceived Barriers | ||||||
| Q16: I would vaccinate my daughter with the HPV vaccine if it were free or at a very low cost. | .84 | .87 | −.02 | −.02 | .08 | .954 |
| Q17: I would vaccinate my daughter with the HPV vaccine if she could get it at school. | .68 | .64 | .27 | −.21 | .20 | .955 |
| Q25: If this new HPV vaccine was available when my daughter was an infant I would have vaccinated my child. | .62 | .68 | .21 | −.16 | .12 | .955 |
| Q26: Shots are very painful for my child so I would rather not vaccinate her. | .67 | −.04 | .79 | .18 | −.09 | .958 |
| Q27: If the new HPV vaccine is not required, I will not vaccinate my daughter. | .55 | .09 | .33 | .64 | −.19 | .958 |
| Q28: I think that even if the vaccine is expensive I will be able to vaccinate my daughter. | .66 | .81 | .03 | .02 | −.01 | .955 |
| Q29: My closest friends are vaccinating their daughters with the HPV vaccine. | .58 | .81 | −.06 | −.07 | −.03 | .956 |
| Q30: Generally I do what my doctor recommends, so I would vaccinate my daughter. | .82 | .89 | .00 | −.02 | .03 | .954 |
| Q34: When I decide to get my daughter vaccinated I believe I will be able to get her vaccinated. In other words, I feel confident I can get my daughter vaccinated. | .91 | .77 | −.11 | .23 | .16 | .953 |
Note. n = 149, Cronbach’s alpha before item deletion = .957. Bold numbers indicate: communalities > .4, loadings > .4, and higher Cronbach’s alphas if item deleted.