RESUMEN
PURPOSE: This descriptive research study aims to investigate influential factors on human papillomavirus vaccines, among parents who have elementary school daughters. METHODS: This study was conducted with 210 parents whose children are elementary school girls, aged 9 to 12 years, in G Metropolitan City. Data were collected from August 17 to September 12, 2015 using structured questionnaires. A descriptive statistical analysis, a t-test, a χ2-test, a Fisher's exact test, and a logistic regression using SPSS/WIN 21.0. RESULTS: The influential factors on the human papillomavirus vaccination intention were confirmed to be three variables: cervical cancer knowledge, perceived sensitivity, and perceived barriers. CONCLUSION: An intervention program, both to increase the sensitivity of vaccination and to decrease barriers, should be developed so as to improve parents' health beliefs towards human papillomavirus vaccination.