Purpose: This study aimed to clarify information considered necessary by mothers of girls approaching the recommended age for human papillomavirus (HPV) vaccination for making decisions whether or not to have their daughters vaccinated.
Methods: All research subjects were from one city and one town of Prefecture A in the Tohoku Region in Japan. Fourteen elementary schools provided consent to participate in the survey. Of the 684 parents/guardians of the 5th and 6th grade girls at these schools, 272 responded to the postal self-administered questionnaire survey. The data comprised the freely described content of the questionnaire. Berelson’s content analysis method was used to analyze the “information considered necessary by mothers when making decisions concerning HPV vaccination.”
Results: Of the 272 respondents, 129 provided freely written descriptions. Of these, the descriptions of 125 mothers (mean age, 41.7 ± 5.1 years) were subjected to analysis. The content of the subjects’ descriptions could be divided into 279 recording units. The number of recording units per respondent was 2.2. Ten categories were formed pertaining to information considered necessary by the mothers of girls not yet vaccinated against HPV when making decisions concerning HPV vaccination. These included, in order of the number of recording units from high to low, “Actual data demonstrating the degree and incidence of specific adverse events”, “Preventive effect of the HPV vaccine on cervical cancer”, “Basic knowledge of HPV and cervical cancer”, “Safety of the vaccine over a prolonged period after vaccination” and “Vaccination site and schedule”.
Conclusions: When making decisions concerning HPV vaccination, mothers sought information on basic knowledge about HPV and cervical cancer. They also sought information on the effects, adverse reactions, safety over a prolonged period after administration, and limitations of the vaccine.
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