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Published on: March 8, 2012
An instrument assessing attitudes and beliefs toward human papillomavirus vaccination
Tara F Bertulfo1, Seongkum Heo1, Patricia Troyan1
1Georgia Baptist College of Nursing, Mercer University, Atlanta, Georgia, USA.
Objectives:
The purpose of this study was to test the psychometric properties of a brief attitudes and beliefs toward human papillomavirus (HPV) vaccination instrument in college students.
Design:
Cross-sectional, observational study.
Sample:
Eighty-six nursing students.
Measurements:
The Attitudes and Beliefs Toward Human Papillomavirus Vaccination was used to test the reliability (Cronbach's alpha), homogeneity (item-analyses), and validity (factor analysis and correlations).
Results:
The reliability of this 8-item instrument was supported by a Cronbach's alpha of .854. Item homogeneity was supported by coefficients for all items > .30. Convergent validity was supported by significant correlations of attitudes and beliefs assessed by this instrument to attitudes, subjective norm, and perceived behavioral control assessed by different instruments (all ps < .001). Construct validity was supported by exploratory and confirmatory factor analyses (all factor loadings ≥ .40). Predictive validity was supported by a significant relationship of attitudes and beliefs to completion of the vaccination (p < .001).
Conclusions:
The Attitudes and Beliefs Toward Human Papillomavirus Vaccination Questionnaire was a reliable and valid instrument. This short instrument can be used to assess and improve attitudes and beliefs toward HPV vaccination, and, in turn, to facilitate the completion of the vaccination.
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